252740844 has 24 divisors (see below), whose sum is σ = 655254320. Its totient is φ = 84246912.

The previous prime is 252740843. The next prime is 252740849. The reversal of 252740844 is 448047252.

252740844 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 252740799 and 252740808.

It is not an unprimeable number, because it can be changed into a prime (252740843) 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, 1169989 + ... + 1170204.

Almost surely, 2^252740844 is an apocalyptic number.

It is an amenable number.

252740844 is an abundant number, since it is smaller than the sum of its proper divisors (402513476).

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

252740844 is a wasteful number, since it uses less digits than its factorization.

252740844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340206 (or 2340198 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 252740844 is about 15897.8251342754. The cubic root of 252740844 is about 632.2543273528.

The spelling of 252740844 in words is "two hundred fifty-two million, seven hundred forty thousand, eight hundred forty-four".