252966280 has 32 divisors (see below), whose sum is σ = 650485440. Its totient is φ = 86731200.

The previous prime is 252966271. The next prime is 252966283. The reversal of 252966280 is 82669252.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (252966283) 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, 451446 + ... + 452005.

It is an arithmetic number, because the mean of its divisors is an integer number (20327670).

Almost surely, 2^252966280 is an apocalyptic number.

252966280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252966280 is an abundant number, since it is smaller than the sum of its proper divisors (397519160).

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

252966280 is a wasteful number, since it uses less digits than its factorization.

252966280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903469 (or 903465 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 252966280 is about 15904.9137061475. The cubic root of 252966280 is about 632.4422544104.

The spelling of 252966280 in words is "two hundred fifty-two million, nine hundred sixty-six thousand, two hundred eighty".