252400038 has 16 divisors (see below), whose sum is σ = 550691136. Its totient is φ = 76484840.

The previous prime is 252400019. The next prime is 252400039. The reversal of 252400038 is 830004252.

252400038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 252399990 and 252400017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252400039) 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, 1912056 + ... + 1912187.

It is an arithmetic number, because the mean of its divisors is an integer number (34418196).

Almost surely, 2^252400038 is an apocalyptic number.

252400038 is an abundant number, since it is smaller than the sum of its proper divisors (298291098).

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

252400038 is a wasteful number, since it uses less digits than its factorization.

252400038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824259.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 252400038 is about 15887.1028825271. The cubic root of 252400038 is about 631.9700137324.

The spelling of 252400038 in words is "two hundred fifty-two million, four hundred thousand, thirty-eight".