56632427640 has 128 divisors (see below), whose sum is σ = 191360980800. Its totient is φ = 14895083520.

The previous prime is 56632427639. The next prime is 56632427651. The reversal of 56632427640 is 4672423665.

56632427640 is a `hidden beast` number, since 5 + 6 + 632 + 4 + 2 + 7 + 6 + 4 + 0 = 666.

56632427640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280321 + ... + 438000.

Almost surely, 2^56632427640 is an apocalyptic number.

It is an amenable number.

56632427640 is an abundant number, since it is smaller than the sum of its proper divisors (134728553160).

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

56632427640 is a wasteful number, since it uses less digits than its factorization.

56632427640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718414 (or 718404 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 56632427640 in words is "fifty-six billion, six hundred thirty-two million, four hundred twenty-seven thousand, six hundred forty".