770356020440 has 64 divisors (see below), whose sum is σ = 1737935416800. Its totient is φ = 307319507968.

The previous prime is 770356020367. The next prime is 770356020443. The reversal of 770356020440 is 44020653077.

It is a junction number, because it is equal to n+sod(n) for n = 770356020394 and 770356020403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770356020443) 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, 26431796 + ... + 26460924.

Almost surely, 2^770356020440 is an apocalyptic number.

It is an amenable number.

770356020440 is an abundant number, since it is smaller than the sum of its proper divisors (967579396360).

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

770356020440 is a wasteful number, since it uses less digits than its factorization.

770356020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30884 (or 30880 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 770356020440 in words is "seven hundred seventy billion, three hundred fifty-six million, twenty thousand, four hundred forty".