252720804 has 192 divisors, whose sum is σ = 743063552. Its totient is φ = 65318400.

The previous prime is 252720799. The next prime is 252720821. The reversal of 252720804 is 408027252.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4142934 + ... + 4142994.

Almost surely, 2^252720804 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 252720804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371531776).

252720804 is an abundant number, since it is smaller than the sum of its proper divisors (490342748).

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

252720804 is a wasteful number, since it uses less digits than its factorization.

252720804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 252720804 is about 15897.1948468904. The cubic root of 252720804 is about 632.2376162804.

The spelling of 252720804 in words is "two hundred fifty-two million, seven hundred twenty thousand, eight hundred four".