252957782415 has 32 divisors (see below), whose sum is σ = 449925912576. Its totient is φ = 120515863680.

The previous prime is 252957782411. The next prime is 252957782417. The reversal of 252957782415 is 514287759252.

It is not a de Polignac number, because 252957782415 - 2² = 252957782411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252957782411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20916849 + ... + 20928938.

It is an arithmetic number, because the mean of its divisors is an integer number (14060184768).

Almost surely, 2^252957782415 is an apocalyptic number.

252957782415 is a deficient number, since it is larger than the sum of its proper divisors (196968130161).

252957782415 is a wasteful number, since it uses less digits than its factorization.

252957782415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41845839.

The product of its digits is 14112000, while the sum is 57.

The spelling of 252957782415 in words is "two hundred fifty-two billion, nine hundred fifty-seven million, seven hundred eighty-two thousand, four hundred fifteen".