538509472 has 24 divisors (see below), whose sum is σ = 1061587296. Its totient is φ = 268900032.

The previous prime is 538509469. The next prime is 538509479. The reversal of 538509472 is 274905835.

It is not an unprimeable number, because it can be changed into a prime (538509479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14493 + ... + 35875.

It is an arithmetic number, because the mean of its divisors is an integer number (44232804).

Almost surely, 2^538509472 is an apocalyptic number.

It is an amenable number.

538509472 is a deficient number, since it is larger than the sum of its proper divisors (523077824).

538509472 is a wasteful number, since it uses less digits than its factorization.

538509472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22180 (or 22172 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 538509472 is about 23205.8068594910. The cubic root of 538509472 is about 813.5753509522.

The spelling of 538509472 in words is "five hundred thirty-eight million, five hundred nine thousand, four hundred seventy-two".