5152640726464 has 56 divisors (see below), whose sum is σ = 12747767004288. Its totient is φ = 2007522359040.

The previous prime is 5152640726459. The next prime is 5152640726489. The reversal of 5152640726464 is 4646270462515.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 522787354 + ... + 522797209.

Almost surely, 2^{5152640726464} is an apocalyptic number.

It is an amenable number.

5152640726464 is an abundant number, since it is smaller than the sum of its proper divisors (7595126277824).

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

5152640726464 is a wasteful number, since it uses less digits than its factorization.

5152640726464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045584593 (or 1045584583 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 5152640726464 in words is "five trillion, one hundred fifty-two billion, six hundred forty million, seven hundred twenty-six thousand, four hundred sixty-four".