252086464 has 28 divisors (see below), whose sum is σ = 571697104. Its totient is φ = 108036864.

The previous prime is 252086459. The next prime is 252086467. The reversal of 252086464 is 464680252.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (252086467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280899 + ... + 281794.

Almost surely, 2^252086464 is an apocalyptic number.

It is an amenable number.

252086464 is an abundant number, since it is smaller than the sum of its proper divisors (319610640).

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

252086464 is an equidigital number, since it uses as much as digits as its factorization.

252086464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562712 (or 562702 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 252086464 is about 15877.2309928400. The cubic root of 252086464 is about 631.7081919437.

The spelling of 252086464 in words is "two hundred fifty-two million, eighty-six thousand, four hundred sixty-four".