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405344144040100 = 225219236593068699
BaseRepresentation
bin101110000101010001000100…
…1101101111010000010100100
31222011012112002100002212010021
41130022202021231322002210
5411112124301333240400
63554032310140404524
7151244101521522406
oct13412421155720244
91864175070085107
10405344144040100
11108178539013121
12395664b1846744
1314523a33c07ab5
147214a92c2ab76
1531cdde871e71a
hex170a889b7a0a4

405344144040100 has 108 divisors (see below), whose sum is σ = 928581930234000. Its totient is φ = 153562066845120.

The previous prime is 405344144040089. The next prime is 405344144040139. The reversal of 405344144040100 is 1040441443504.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 130555551 + ... + 133624249.

It is an arithmetic number, because the mean of its divisors is an integer number (8597980835500).

Almost surely, 2405344144040100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 405344144040100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464290965117000).

405344144040100 is an abundant number, since it is smaller than the sum of its proper divisors (523237786193900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405344144040100 is a wasteful number, since it uses less digits than its factorization.

405344144040100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072410 (or 3072384 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 405344144040100 its reverse (1040441443504), we get a palindrome (406384585483604).

The spelling of 405344144040100 in words is "four hundred five trillion, three hundred forty-four billion, one hundred forty-four million, forty thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 361 380 475 722 950 1444 1805 1900 3610 3659 7220 7318 9025 14636 18050 18295 36100 36590 69521 73180 91475 139042 182950 278084 347605 365900 695210 1320899 1390420 1738025 2641798 3068699 3476050 5283596 6137398 6604495 6952100 12274796 13208990 15343495 26417980 30686990 33022475 58305281 61373980 66044950 76717475 116610562 132089900 153434950 233221124 291526405 306869900 583052810 1107800339 1166105620 1457632025 2215600678 2915264050 4431201356 5539001695 5830528100 11078003390 11228369641 22156006780 22456739282 27695008475 44913478564 55390016950 56141848205 110780033900 112283696410 213339023179 224567392820 280709241025 426678046358 561418482050 853356092716 1066695115895 1122836964100 2133390231790 4053441440401 4266780463580 5333475579475 8106882880802 10666951158950 16213765761604 20267207202005 21333902317900 40534414404010 81068828808020 101336036010025 202672072020050 405344144040100