538942272 has 56 divisors (see below), whose sum is σ = 1555589472. Its totient is φ = 163315200.

The previous prime is 538942267. The next prime is 538942291. The reversal of 538942272 is 272249835.

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, 125479 + ... + 129702.

Almost surely, 2^538942272 is an apocalyptic number.

It is an amenable number.

538942272 is an abundant number, since it is smaller than the sum of its proper divisors (1016647200).

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

538942272 is a wasteful number, since it uses less digits than its factorization.

538942272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255207 (or 255197 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 538942272 is about 23215.1302387042. The cubic root of 538942272 is about 813.7932493926.

The spelling of 538942272 in words is "five hundred thirty-eight million, nine hundred forty-two thousand, two hundred seventy-two".