252889480 has 32 divisors (see below), whose sum is σ = 574047000. Its totient is φ = 100258816.

The previous prime is 252889457. The next prime is 252889499. The reversal of 252889480 is 84988252.

It can be written as a sum of positive squares in 4 ways, for example, as 92968164 + 159921316 = 9642^2 + 12646^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 252889480.

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, 23455 + ... + 32494.

Almost surely, 2^252889480 is an apocalyptic number.

252889480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252889480 is an abundant number, since it is smaller than the sum of its proper divisors (321157520).

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

252889480 is a wasteful number, since it uses less digits than its factorization.

252889480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56073 (or 56069 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 252889480 is about 15902.4991746581. The cubic root of 252889480 is about 632.3782452450.

The spelling of 252889480 in words is "two hundred fifty-two million, eight hundred eighty-nine thousand, four hundred eighty".