770240256 has 36 divisors (see below), whose sum is σ = 2049964392. Its totient is φ = 256746496.

The previous prime is 770240213. The next prime is 770240269. The reversal of 770240256 is 652042077.

770240256 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500691 + ... + 502226.

Almost surely, 2^770240256 is an apocalyptic number.

It is an amenable number.

770240256 is an abundant number, since it is smaller than the sum of its proper divisors (1279724136).

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

770240256 is a wasteful number, since it uses less digits than its factorization.

770240256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002936 (or 1002922 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 770240256 is about 27753.2026260034. The cubic root of 770240256 is about 916.6609646955.

The spelling of 770240256 in words is "seven hundred seventy million, two hundred forty thousand, two hundred fifty-six".