524942220 has 96 divisors (see below), whose sum is σ = 1655248896. Its totient is φ = 123148800.

The previous prime is 524942219. The next prime is 524942329. The reversal of 524942220 is 22249425.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7632 + ... + 33288.

It is an arithmetic number, because the mean of its divisors is an integer number (17242176).

Almost surely, 2^524942220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 524942220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827624448).

524942220 is an abundant number, since it is smaller than the sum of its proper divisors (1130306676).

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

524942220 is a wasteful number, since it uses less digits than its factorization.

524942220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25711 (or 25709 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 524942220 is about 22911.6175771158. The cubic root of 524942220 is about 806.6847270353.

The spelling of 524942220 in words is "five hundred twenty-four million, nine hundred forty-two thousand, two hundred twenty".