672277944438 has 48 divisors (see below), whose sum is σ = 1496493722880. Its totient is φ = 217959735168.

The previous prime is 672277944431. The next prime is 672277944439. The reversal of 672277944438 is 834449772276.

672277944438 is a `hidden beast` number, since 6 + 72 + 27 + 79 + 44 + 438 = 666.

672277944438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672277944431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1742106 + ... + 2092722.

It is an arithmetic number, because the mean of its divisors is an integer number (31176952560).

Almost surely, 2^672277944438 is an apocalyptic number.

672277944438 is an abundant number, since it is smaller than the sum of its proper divisors (824215778442).

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

672277944438 is a wasteful number, since it uses less digits than its factorization.

672277944438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353541 (or 353538 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 63.

The spelling of 672277944438 in words is "six hundred seventy-two billion, two hundred seventy-seven million, nine hundred forty-four thousand, four hundred thirty-eight".