252881480 has 32 divisors (see below), whose sum is σ = 574516800. Its totient is φ = 100168896.

The previous prime is 252881471. The next prime is 252881491. The reversal of 252881480 is 84188252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26570 + ... + 34809.

It is an arithmetic number, because the mean of its divisors is an integer number (17953650).

Almost surely, 2^252881480 is an apocalyptic number.

252881480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252881480 is an abundant number, since it is smaller than the sum of its proper divisors (321635320).

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

252881480 is a wasteful number, since it uses less digits than its factorization.

252881480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61493 (or 61489 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 252881480 is about 15902.2476398778. The cubic root of 252881480 is about 632.3715768783.

The spelling of 252881480 in words is "two hundred fifty-two million, eight hundred eighty-one thousand, four hundred eighty".