524242638 has 32 divisors (see below), whose sum is σ = 1180951200. Its totient is φ = 172352448.

The previous prime is 524242637. The next prime is 524242673. The reversal of 524242638 is 836242425.

It is a super-3 number, since 3×524242638³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524242637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62553 + ... + 70436.

It is an arithmetic number, because the mean of its divisors is an integer number (36904725).

Almost surely, 2^524242638 is an apocalyptic number.

524242638 is an abundant number, since it is smaller than the sum of its proper divisors (656708562).

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

524242638 is a wasteful number, since it uses less digits than its factorization.

524242638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133073 (or 133067 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 524242638 is about 22896.3455162609. The cubic root of 524242638 is about 806.3262158345.

The spelling of 524242638 in words is "five hundred twenty-four million, two hundred forty-two thousand, six hundred thirty-eight".