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2404440044020 = 2257210159241511
BaseRepresentation
bin100010111111010011110…
…010110111000111110100
322111212021120010211022201
4202333103302313013310
5303343243122402040
65040330130434244
7335500160104600
oct42772362670764
98455246124281
102404440044020
118477987a2a53
12329bb6132984
13145978a162a1
14845385d2500
15428295bea9a
hex22fd3cb71f4

2404440044020 has 72 divisors (see below), whose sum is σ = 5874306036480. Its totient is φ = 824294882880.

The previous prime is 2404440044011. The next prime is 2404440044021. The reversal of 2404440044020 is 204400444042.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2404440044020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404440044021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9835065 + ... + 10076575.

It is an arithmetic number, because the mean of its divisors is an integer number (81587583840).

Almost surely, 22404440044020 is an apocalyptic number.

2404440044020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2404440044020 is an abundant number, since it is smaller than the sum of its proper divisors (3469865992460).

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

2404440044020 is a wasteful number, since it uses less digits than its factorization.

2404440044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251693 (or 251684 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 2404440044020 its reverse (204400444042), we get a palindrome (2608840488062).

The spelling of 2404440044020 in words is "two trillion, four hundred four billion, four hundred forty million, forty-four thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 10159 20318 40636 50795 71113 101590 142226 203180 241511 284452 355565 483022 497791 711130 966044 995582 1207555 1422260 1690577 1991164 2415110 2488955 3381154 4830220 4977910 6762308 8452885 9955820 11834039 16905770 23668078 33811540 47336156 59170195 118340390 236680780 2453510249 4907020498 9814040996 12267551245 17174571743 24535102490 34349143486 49070204980 68698286972 85872858715 120222002201 171745717430 240444004402 343491434860 480888008804 601110011005 1202220022010 2404440044020