252303502252540 has 24 divisors (see below), whose sum is σ = 534009302410752. Its totient is φ = 100126744200000.

The previous prime is 252303502252537. The next prime is 252303502252631. The reversal of 252303502252540 is 45252205303252.

It is a junction number, because it is equal to n+sod(n) for n = 252303502252493 and 252303502252502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49666041211 + ... + 49666046290.

It is an arithmetic number, because the mean of its divisors is an integer number (22250387600448).

Almost surely, 2^{252303502252540} is an apocalyptic number.

252303502252540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252303502252540 is an abundant number, since it is smaller than the sum of its proper divisors (281705800158212).

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

252303502252540 is a wasteful number, since it uses less digits than its factorization.

252303502252540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99332087637 (or 99332087635 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

Adding to 252303502252540 its reverse (45252205303252), we get a palindrome (297555707555792).

The spelling of 252303502252540 in words is "two hundred fifty-two trillion, three hundred three billion, five hundred two million, two hundred fifty-two thousand, five hundred forty".