252557744 has 40 divisors (see below), whose sum is σ = 506539008. Its totient is φ = 121861440.

The previous prime is 252557741. The next prime is 252557749. The reversal of 252557744 is 447755252.

It is not an unprimeable number, because it can be changed into a prime (252557741) 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, 320519 + ... + 321305.

Almost surely, 2^252557744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252557744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253269504).

252557744 is an abundant number, since it is smaller than the sum of its proper divisors (253981264).

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

252557744 is a wasteful number, since it uses less digits than its factorization.

252557744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1467 counting only the distinct ones).

The product of its digits is 392000, while the sum is 41.

The square root of 252557744 is about 15892.0654415969. The cubic root of 252557744 is about 632.1016100047.

The spelling of 252557744 in words is "two hundred fifty-two million, five hundred fifty-seven thousand, seven hundred forty-four".