252024440 has 32 divisors (see below), whose sum is σ = 575048160. Its totient is φ = 99388800.

The previous prime is 252024431. The next prime is 252024449. The reversal of 252024440 is 44420252.

252024440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252024431) and next prime (252024449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252024449) 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, 41531 + ... + 47210.

It is an arithmetic number, because the mean of its divisors is an integer number (17970255).

Almost surely, 2^252024440 is an apocalyptic number.

252024440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252024440 is an abundant number, since it is smaller than the sum of its proper divisors (323023720).

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

252024440 is a wasteful number, since it uses less digits than its factorization.

252024440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88823 (or 88819 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 252024440 is about 15875.2776353675. The cubic root of 252024440 is about 631.6563786596.

Adding to 252024440 its reverse (44420252), we get a palindrome (296444692).

The spelling of 252024440 in words is "two hundred fifty-two million, twenty-four thousand, four hundred forty".