769720964440 has 16 divisors (see below), whose sum is σ = 1731872170080. Its totient is φ = 307888385760.

The previous prime is 769720964381. The next prime is 769720964477. The reversal of 769720964440 is 44469027967.

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, 9621512016 + ... + 9621512095.

It is an arithmetic number, because the mean of its divisors is an integer number (108242010630).

Almost surely, 2^769720964440 is an apocalyptic number.

It is an amenable number.

769720964440 is an abundant number, since it is smaller than the sum of its proper divisors (962151205640).

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

769720964440 is a wasteful number, since it uses less digits than its factorization.

769720964440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19243024122 (or 19243024118 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 769720964440 in words is "seven hundred sixty-nine billion, seven hundred twenty million, nine hundred sixty-four thousand, four hundred forty".