40043701924 has 12 divisors (see below), whose sum is σ = 70301806848. Its totient is φ = 19957471400.

The previous prime is 40043701861. The next prime is 40043701927. The reversal of 40043701924 is 42910734004.

It is a happy number.

It is a super-2 number, since 2×40043701924² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40043701924.

It is not an unprimeable number, because it can be changed into a prime (40043701927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16093492 + ... + 16095979.

It is an arithmetic number, because the mean of its divisors is an integer number (5858483904).

Almost surely, 2^40043701924 is an apocalyptic number.

It is an amenable number.

40043701924 is a deficient number, since it is larger than the sum of its proper divisors (30258104924).

40043701924 is a wasteful number, since it uses less digits than its factorization.

40043701924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32189786 (or 32189784 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 40043701924 in words is "forty billion, forty-three million, seven hundred one thousand, nine hundred twenty-four".