538042664 has 16 divisors (see below), whose sum is σ = 1013277600. Its totient is φ = 267835312.

The previous prime is 538042663. The next prime is 538042711. The reversal of 538042664 is 466240835.

It is not an unprimeable number, because it can be changed into a prime (538042663) 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, 146324 + ... + 149955.

It is an arithmetic number, because the mean of its divisors is an integer number (63329850).

Almost surely, 2^538042664 is an apocalyptic number.

It is an amenable number.

538042664 is a deficient number, since it is larger than the sum of its proper divisors (475234936).

538042664 is a wasteful number, since it uses less digits than its factorization.

538042664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296512 (or 296508 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 538042664 is about 23195.7466790789. The cubic root of 538042664 is about 813.3401998584.

The spelling of 538042664 in words is "five hundred thirty-eight million, forty-two thousand, six hundred sixty-four".