64605360432 has 40 divisors (see below), whose sum is σ = 175681245760. Its totient is φ = 20401692480.

The previous prime is 64605360403. The next prime is 64605360473. The reversal of 64605360432 is 23406350646.

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, 35418694 + ... + 35420517.

It is an arithmetic number, because the mean of its divisors is an integer number (4392031144).

Almost surely, 2^64605360432 is an apocalyptic number.

It is an amenable number.

64605360432 is an abundant number, since it is smaller than the sum of its proper divisors (111075885328).

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

64605360432 is a wasteful number, since it uses less digits than its factorization.

64605360432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70839241 (or 70839235 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 64605360432 in words is "sixty-four billion, six hundred five million, three hundred sixty thousand, four hundred thirty-two".