538672464 has 80 divisors (see below), whose sum is σ = 1686767040. Its totient is φ = 163232640.

The previous prime is 538672451. The next prime is 538672483. The reversal of 538672464 is 464276835.

538672464 is a `hidden beast` number, since 538 + 6 + 72 + 46 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51927 + ... + 61430.

It is an arithmetic number, because the mean of its divisors is an integer number (21084588).

Almost surely, 2^538672464 is an apocalyptic number.

538672464 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

538672464 is an abundant number, since it is smaller than the sum of its proper divisors (1148094576).

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

538672464 is a wasteful number, since it uses less digits than its factorization.

538672464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113385 (or 113373 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 538672464 is about 23209.3184734063. The cubic root of 538672464 is about 813.6574249632.

The spelling of 538672464 in words is "five hundred thirty-eight million, six hundred seventy-two thousand, four hundred sixty-four".