Search a number
-
+
40340404404 = 2234370933569
BaseRepresentation
bin100101100100011110…
…011011100010110100
310212010101120212120000
4211210132123202310
51130104120420104
630310534511300
72625446531316
oct454436334264
9125111525500
1040340404404
11161211199a3
127999b05530
133a5b758ca1
141d4989b7b6
1510b1827639
hex96479b8b4

40340404404 has 60 divisors (see below), whose sum is σ = 105489360900. Its totient is φ = 13442775552.

The previous prime is 40340404399. The next prime is 40340404469. The reversal of 40340404404 is 40440404304.

40340404404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6060622500 + 34279781904 = 77850^2 + 185148^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1184932 + ... + 1218500.

It is an arithmetic number, because the mean of its divisors is an integer number (1758156015).

Almost surely, 240340404404 is an apocalyptic number.

It is an amenable number.

40340404404 is an abundant number, since it is smaller than the sum of its proper divisors (65148956496).

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

40340404404 is a wasteful number, since it uses less digits than its factorization.

40340404404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37294 (or 37283 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 40340404404 its reverse (40440404304), we get a palindrome (80780808708).

The spelling of 40340404404 in words is "forty billion, three hundred forty million, four hundred four thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 3709 7418 11127 14836 22254 33381 33569 44508 66762 67138 100143 100707 133524 134276 200286 201414 300429 302121 400572 402828 600858 604242 906363 1201716 1208484 1812726 2719089 3625452 5438178 10876356 124507421 249014842 373522263 498029684 747044526 1120566789 1494089052 2241133578 3361700367 4482267156 6723400734 10085101101 13446801468 20170202202 40340404404