252440886 has 16 divisors (see below), whose sum is σ = 505436400. Its totient is φ = 84054528.

The previous prime is 252440873. The next prime is 252440887. The reversal of 252440886 is 688044252.

252440886 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252440887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17071 + ... + 28218.

It is an arithmetic number, because the mean of its divisors is an integer number (31589775).

Almost surely, 2^252440886 is an apocalyptic number.

252440886 is an abundant number, since it is smaller than the sum of its proper divisors (252995514).

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

252440886 is a wasteful number, since it uses less digits than its factorization.

252440886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46223.

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 252440886 is about 15888.3884015969. The cubic root of 252440886 is about 632.0041042168.

The spelling of 252440886 in words is "two hundred fifty-two million, four hundred forty thousand, eight hundred eighty-six".