772632366440 has 64 divisors (see below), whose sum is σ = 1936811554560. Its totient is φ = 274979403520.

The previous prime is 772632366421. The next prime is 772632366449. The reversal of 772632366440 is 44663236277.

It is not an unprimeable number, because it can be changed into a prime (772632366449) 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, 18659987 + ... + 18701346.

It is an arithmetic number, because the mean of its divisors is an integer number (30262680540).

Almost surely, 2^772632366440 is an apocalyptic number.

It is an amenable number.

772632366440 is an abundant number, since it is smaller than the sum of its proper divisors (1164179188120).

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

772632366440 is a wasteful number, since it uses less digits than its factorization.

772632366440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37361402 (or 37361398 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 50.

The spelling of 772632366440 in words is "seven hundred seventy-two billion, six hundred thirty-two million, three hundred sixty-six thousand, four hundred forty".