770272624640 has 64 divisors (see below), whose sum is σ = 1848626484120. Its totient is φ = 308108984320.

The previous prime is 770272624637. The next prime is 770272624657. The reversal of 770272624640 is 46426272077.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186846 + ... + 2514525.

Almost surely, 2^770272624640 is an apocalyptic number.

It is an amenable number.

770272624640 is an abundant number, since it is smaller than the sum of its proper divisors (1078353859480).

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

770272624640 is an frugal number, since it uses more digits than its factorization.

770272624640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701406 (or 4701378 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 770272624640 in words is "seven hundred seventy billion, two hundred seventy-two million, six hundred twenty-four thousand, six hundred forty".