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40125041420 = 22514933014079
BaseRepresentation
bin100101010111101000…
…111000101100001100
310211120101100022002012
4211113220320230030
51124134002311140
630233322520352
72620223140022
oct452750705414
9124511308065
1040125041420
11160205a3562
1279399660b8
133a25c53079
141d2903a712
15109c986265
hex957a38b0c

40125041420 has 48 divisors (see below), whose sum is σ = 84874608000. Its totient is φ = 15933561600.

The previous prime is 40125041413. The next prime is 40125041477. The reversal of 40125041420 is 2414052104.

It is a super-2 number, since 2×401250414202 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9834941 + ... + 9839019.

It is an arithmetic number, because the mean of its divisors is an integer number (1768221000).

Almost surely, 240125041420 is an apocalyptic number.

It is an amenable number.

40125041420 is an abundant number, since it is smaller than the sum of its proper divisors (44749566580).

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

40125041420 is a wasteful number, since it uses less digits than its factorization.

40125041420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7538 (or 7536 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 40125041420 its reverse (2414052104), we get a palindrome (42539093524).

The spelling of 40125041420 in words is "forty billion, one hundred twenty-five million, forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 3301 4079 6602 8158 13204 16316 16505 20395 33010 40790 66020 81580 491849 607771 983698 1215542 1967396 2431084 2459245 3038855 4918490 6077710 9836980 12155420 13464779 26929558 53859116 67323895 134647790 269295580 2006252071 4012504142 8025008284 10031260355 20062520710 40125041420