252303543253540 has 48 divisors (see below), whose sum is σ = 537309197591040. Its totient is φ = 99498274520960.

The previous prime is 252303543253483. The next prime is 252303543253547. The reversal of 252303543253540 is 45352345303252.

It is not an unprimeable number, because it can be changed into a prime (252303543253547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82538766 + ... + 85540954.

It is an arithmetic number, because the mean of its divisors is an integer number (11193941616480).

Almost surely, 2^{252303543253540} is an apocalyptic number.

252303543253540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252303543253540 is an abundant number, since it is smaller than the sum of its proper divisors (285005654337500).

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

252303543253540 is a wasteful number, since it uses less digits than its factorization.

252303543253540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061452 (or 3061450 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 46.

Adding to 252303543253540 its reverse (45352345303252), we get a palindrome (297655888556792).

The spelling of 252303543253540 in words is "two hundred fifty-two trillion, three hundred three billion, five hundred forty-three million, two hundred fifty-three thousand, five hundred forty".