252040544 has 96 divisors (see below), whose sum is σ = 587575296. Its totient is φ = 104186880.

The previous prime is 252040531. The next prime is 252040549. The reversal of 252040544 is 445040252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252040549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1319489 + ... + 1319679.

It is an arithmetic number, because the mean of its divisors is an integer number (6120576).

Almost surely, 2^252040544 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 252040544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293787648).

252040544 is an abundant number, since it is smaller than the sum of its proper divisors (335534752).

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

252040544 is a wasteful number, since it uses less digits than its factorization.

252040544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 252040544 is about 15875.7848309934. The cubic root of 252040544 is about 631.6698323517.

Adding to 252040544 its reverse (445040252), we get a palindrome (697080796).

The spelling of 252040544 in words is "two hundred fifty-two million, forty thousand, five hundred forty-four".