64642442660588 has 24 divisors (see below), whose sum is σ = 121828849936080. Its totient is φ = 29834310352320.

The previous prime is 64642442660573. The next prime is 64642442660623. The reversal of 64642442660588 is 88506624424646.

It is a super-4 number, since 4×64642442660588⁴ (a number of 56 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11450618 + ... + 16136961.

It is an arithmetic number, because the mean of its divisors is an integer number (5076202080670).

Almost surely, 2^{64642442660588} is an apocalyptic number.

It is an amenable number.

64642442660588 is a deficient number, since it is larger than the sum of its proper divisors (57186407275492).

64642442660588 is a wasteful number, since it uses less digits than its factorization.

64642442660588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27632657 (or 27632655 counting only the distinct ones).

The product of its (nonzero) digits is 424673280, while the sum is 65.

The spelling of 64642442660588 in words is "sixty-four trillion, six hundred forty-two billion, four hundred forty-two million, six hundred sixty thousand, five hundred eighty-eight".