40699707624 has 48 divisors (see below), whose sum is σ = 110357765700. Its totient is φ = 13550644224.

The previous prime is 40699707623. The next prime is 40699707683. The reversal of 40699707624 is 42670799604.

It is a happy number.

40699707624 is a `hidden beast` number, since 4 + 0 + 6 + 9 + 9 + 7 + 0 + 7 + 624 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39549276900 + 1150430724 = 198870^2 + 33918^2 .

It is not an unprimeable number, because it can be changed into a prime (40699707623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269929 + ... + 392760.

Almost surely, 2^40699707624 is an apocalyptic number.

It is an amenable number.

40699707624 is an abundant number, since it is smaller than the sum of its proper divisors (69658058076).

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

40699707624 is a wasteful number, since it uses less digits than its factorization.

40699707624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663554 (or 663547 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 40699707624 in words is "forty billion, six hundred ninety-nine million, seven hundred seven thousand, six hundred twenty-four".