40001860056 has 16 divisors (see below), whose sum is σ = 100004650200. Its totient is φ = 13333953344.

The previous prime is 40001860051. The next prime is 40001860097. The reversal of 40001860056 is 65006810004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001860051) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 833372061 + ... + 833372108.

Almost surely, 2^40001860056 is an apocalyptic number.

It is an amenable number.

40001860056 is an abundant number, since it is smaller than the sum of its proper divisors (60002790144).

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

40001860056 is a wasteful number, since it uses less digits than its factorization.

40001860056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666744178 (or 1666744174 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 40001860056 in words is "forty billion, one million, eight hundred sixty thousand, fifty-six".