672277944448 has 32 divisors (see below), whose sum is σ = 1461058603920. Its totient is φ = 305580883200.

The previous prime is 672277944439. The next prime is 672277944451. The reversal of 672277944448 is 844449772276.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a self number, because there is not a number n which added to its sum of digits gives 672277944448.

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, 238733658 + ... + 238736473.

Almost surely, 2^672277944448 is an apocalyptic number.

It is an amenable number.

672277944448 is an abundant number, since it is smaller than the sum of its proper divisors (788780659472).

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

672277944448 is a wasteful number, since it uses less digits than its factorization.

672277944448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477470156 (or 477470144 counting only the distinct ones).

The product of its digits is 151732224, while the sum is 64.

The spelling of 672277944448 in words is "six hundred seventy-two billion, two hundred seventy-seven million, nine hundred forty-four thousand, four hundred forty-eight".