252402942 has 64 divisors (see below), whose sum is σ = 562857984. Its totient is φ = 74819040.

The previous prime is 252402923. The next prime is 252402949. The reversal of 252402942 is 249204252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252402949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 727213 + ... + 727559.

It is an arithmetic number, because the mean of its divisors is an integer number (8794656).

Almost surely, 2^252402942 is an apocalyptic number.

252402942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 252402942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281428992).

252402942 is an abundant number, since it is smaller than the sum of its proper divisors (310455042).

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

252402942 is a wasteful number, since it uses less digits than its factorization.

252402942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

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

The square root of 252402942 is about 15887.1942771529. The cubic root of 252402942 is about 631.9724374430.

It can be divided in two parts, 25240 and 2942, that added together give a palindrome (28182).

The spelling of 252402942 in words is "two hundred fifty-two million, four hundred two thousand, nine hundred forty-two".