770394490320 has 1440 divisors, whose sum is σ = 3230200753920. Its totient is φ = 148600258560.

The previous prime is 770394490319. The next prime is 770394490357. The reversal of 770394490320 is 23094493077.

770394490320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 770394490320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 3364167966 + ... + 3364168194.

It is an arithmetic number, because the mean of its divisors is an integer number (2243194968).

Almost surely, 2^770394490320 is an apocalyptic number.

770394490320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770394490320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615100376960).

770394490320 is an abundant number, since it is smaller than the sum of its proper divisors (2459806263600).

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

770394490320 is a wasteful number, since it uses less digits than its factorization.

770394490320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 48.

The spelling of 770394490320 in words is "seven hundred seventy billion, three hundred ninety-four million, four hundred ninety thousand, three hundred twenty".