64464004523260 has 24 divisors (see below), whose sum is σ = 135382639136976. Its totient is φ = 25784034259200.

The previous prime is 64464004523231. The next prime is 64464004523273. The reversal of 64464004523260 is 6232540046446.

It is a self number, because there is not a number n which added to its sum of digits gives 64464004523260.

It is a congruent number.

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, 97634637 + ... + 98292676.

It is an arithmetic number, because the mean of its divisors is an integer number (5640943297374).

Almost surely, 2^{64464004523260} is an apocalyptic number.

It is an amenable number.

64464004523260 is an abundant number, since it is smaller than the sum of its proper divisors (70918634613716).

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

64464004523260 is a wasteful number, since it uses less digits than its factorization.

64464004523260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195943773 (or 195943771 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 46.

The spelling of 64464004523260 in words is "sixty-four trillion, four hundred sixty-four billion, four million, five hundred twenty-three thousand, two hundred sixty".