252896740 has 24 divisors (see below), whose sum is σ = 531397440. Its totient is φ = 101098848.

The previous prime is 252896737. The next prime is 252896773. The reversal of 252896740 is 47698252.

It is a super-2 number, since 2×252896740² = 127913522205255200, which contains 22 as substring.

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, 49129 + ... + 54031.

It is an arithmetic number, because the mean of its divisors is an integer number (22141560).

Almost surely, 2^252896740 is an apocalyptic number.

252896740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252896740 is an abundant number, since it is smaller than the sum of its proper divisors (278500700).

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

252896740 is a wasteful number, since it uses less digits than its factorization.

252896740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7491 (or 7489 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 252896740 is about 15902.7274390276. The cubic root of 252896740 is about 632.3842966660.

The spelling of 252896740 in words is "two hundred fifty-two million, eight hundred ninety-six thousand, seven hundred forty".