764080440 has 64 divisors (see below), whose sum is σ = 2412892800. Its totient is φ = 193030272.

The previous prime is 764080433. The next prime is 764080441. The reversal of 764080440 is 44080467.

764080440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764080441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165282 + ... + 169841.

It is an arithmetic number, because the mean of its divisors is an integer number (37701450).

Almost surely, 2^764080440 is an apocalyptic number.

It is an amenable number.

764080440 is an abundant number, since it is smaller than the sum of its proper divisors (1648812360).

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

764080440 is a wasteful number, since it uses less digits than its factorization.

764080440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335156 (or 335152 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 764080440 is about 27642.0049924024. The cubic root of 764080440 is about 914.2108278043.

The spelling of 764080440 in words is "seven hundred sixty-four million, eighty thousand, four hundred forty".