40668800813580 has 48 divisors (see below), whose sum is σ = 115432541499744. Its totient is φ = 10696451719680.

The previous prime is 40668800813579. The next prime is 40668800813591. The reversal of 40668800813580 is 8531800886604.

It is a happy number.

It is a super-2 number, since 2×40668800813580² (a number of 28 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 40668800813580.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4642552791 + ... + 4642561550.

It is an arithmetic number, because the mean of its divisors is an integer number (2404844614578).

Almost surely, 2^{40668800813580} is an apocalyptic number.

It is an amenable number.

40668800813580 is an abundant number, since it is smaller than the sum of its proper divisors (74763740686164).

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

40668800813580 is a wasteful number, since it uses less digits than its factorization.

40668800813580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9285114426 (or 9285114424 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 40668800813580 in words is "forty trillion, six hundred sixty-eight billion, eight hundred million, eight hundred thirteen thousand, five hundred eighty".