64560624408 has 48 divisors (see below), whose sum is σ = 199830505680. Its totient is φ = 18445892544.

The previous prime is 64560624407. The next prime is 64560624439. The reversal of 64560624408 is 80442606546.

64560624408 is a `hidden beast` number, since 64 + 560 + 6 + 24 + 4 + 0 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64560624407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64047735 + ... + 64048742.

It is an arithmetic number, because the mean of its divisors is an integer number (4163135535).

Almost surely, 2^64560624408 is an apocalyptic number.

It is an amenable number.

64560624408 is an abundant number, since it is smaller than the sum of its proper divisors (135269881272).

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

64560624408 is a wasteful number, since it uses less digits than its factorization.

64560624408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128096496 (or 128096489 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 64560624408 in words is "sixty-four billion, five hundred sixty million, six hundred twenty-four thousand, four hundred eight".