252440508 has 12 divisors (see below), whose sum is σ = 589027880. Its totient is φ = 84146832.

The previous prime is 252440501. The next prime is 252440521. The reversal of 252440508 is 805044252.

252440508 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252440501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10518343 + ... + 10518366.

Almost surely, 2^252440508 is an apocalyptic number.

It is an amenable number.

252440508 is an abundant number, since it is smaller than the sum of its proper divisors (336587372).

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

252440508 is a wasteful number, since it uses less digits than its factorization.

252440508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21036716 (or 21036714 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 252440508 is about 15888.3765061129. The cubic root of 252440508 is about 632.0037887665.

The spelling of 252440508 in words is "two hundred fifty-two million, four hundred forty thousand, five hundred eight".