252649944 has 24 divisors (see below), whose sum is σ = 684260460. Its totient is φ = 84216624.

The previous prime is 252649933. The next prime is 252650003. The reversal of 252649944 is 449946252.

252649944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 252649944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1754442 + ... + 1754585.

Almost surely, 2^252649944 is an apocalyptic number.

252649944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252649944 is an abundant number, since it is smaller than the sum of its proper divisors (431610516).

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

252649944 is a wasteful number, since it uses less digits than its factorization.

252649944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509039 (or 3509032 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 252649944 is about 15894.9659955597. The cubic root of 252649944 is about 632.1785200438.

The spelling of 252649944 in words is "two hundred fifty-two million, six hundred forty-nine thousand, nine hundred forty-four".