40188857336056 has 64 divisors (see below), whose sum is σ = 91383641395200. Its totient is φ = 16318507363200.

The previous prime is 40188857336041. The next prime is 40188857336093. The reversal of 40188857336056 is 65063375888104.

It is a congruent number.

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, 566579376 + ... + 566650303.

It is an arithmetic number, because the mean of its divisors is an integer number (1427869396800).

Almost surely, 2^{40188857336056} is an apocalyptic number.

It is an amenable number.

40188857336056 is an abundant number, since it is smaller than the sum of its proper divisors (51194784059144).

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

40188857336056 is a wasteful number, since it uses less digits than its factorization.

40188857336056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133229740 (or 1133229736 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 64.

The spelling of 40188857336056 in words is "forty trillion, one hundred eighty-eight billion, eight hundred fifty-seven million, three hundred thirty-six thousand, fifty-six".