252896280 has 128 divisors (see below), whose sum is σ = 933811200. Its totient is φ = 53356032.

The previous prime is 252896261. The next prime is 252896297. The reversal of 252896280 is 82698252.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 660 + ... + 22499.

It is an arithmetic number, because the mean of its divisors is an integer number (7295400).

Almost surely, 2^252896280 is an apocalyptic number.

252896280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252896280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466905600).

252896280 is an abundant number, since it is smaller than the sum of its proper divisors (680914920).

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

252896280 is a wasteful number, since it uses less digits than its factorization.

252896280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23193 (or 23189 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 252896280 is about 15902.7129760931. The cubic root of 252896280 is about 632.3839132460.

The spelling of 252896280 in words is "two hundred fifty-two million, eight hundred ninety-six thousand, two hundred eighty".