905633484272 has 40 divisors (see below), whose sum is σ = 1965914469552. Its totient is φ = 400525862400.

The previous prime is 905633484229. The next prime is 905633484311. The reversal of 905633484272 is 272484336509.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69529229 + ... + 69542252.

Almost surely, 2^905633484272 is an apocalyptic number.

It is an amenable number.

905633484272 is an abundant number, since it is smaller than the sum of its proper divisors (1060280985280).

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

905633484272 is a wasteful number, since it uses less digits than its factorization.

905633484272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139071537 (or 139071531 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 905633484272 in words is "nine hundred five billion, six hundred thirty-three million, four hundred eighty-four thousand, two hundred seventy-two".