253644244 has 24 divisors (see below), whose sum is σ = 507698240. Its totient is φ = 108616896.

The previous prime is 253644241. The next prime is 253644269. The reversal of 253644244 is 442446352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253644241) 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, 41344 + ... + 47080.

Almost surely, 2^253644244 is an apocalyptic number.

It is an amenable number.

253644244 is an abundant number, since it is smaller than the sum of its proper divisors (254053996).

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

253644244 is a wasteful number, since it uses less digits than its factorization.

253644244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7327 (or 7325 counting only the distinct ones).

The product of its digits is 92160, while the sum is 34.

The square root of 253644244 is about 15926.2124813152. The cubic root of 253644244 is about 633.0067441446.

The spelling of 253644244 in words is "two hundred fifty-three million, six hundred forty-four thousand, two hundred forty-four".