252544740 has 48 divisors (see below), whose sum is σ = 808144512. Its totient is φ = 57724416.

The previous prime is 252544723. The next prime is 252544753. The reversal of 252544740 is 47445252.

252544740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300229 + ... + 301068.

It is an arithmetic number, because the mean of its divisors is an integer number (16836344).

Almost surely, 2^252544740 is an apocalyptic number.

252544740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252544740 is an abundant number, since it is smaller than the sum of its proper divisors (555599772).

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

252544740 is a wasteful number, since it uses less digits than its factorization.

252544740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601316 (or 601314 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 252544740 is about 15891.6563013425. The cubic root of 252544740 is about 632.0907610132.

Adding to 252544740 its reverse (47445252), we get a palindrome (299989992).

The spelling of 252544740 in words is "two hundred fifty-two million, five hundred forty-four thousand, seven hundred forty".