252339816551442 has 32 divisors (see below), whose sum is σ = 513201715488000. Its totient is φ = 82694261925120.

The previous prime is 252339816551371. The next prime is 252339816551443. The reversal of 252339816551442 is 244155618933252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (252339816551443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166344567 + ... + 167854682.

It is an arithmetic number, because the mean of its divisors is an integer number (16037553609000).

Almost surely, 2^{252339816551442} is an apocalyptic number.

252339816551442 is an abundant number, since it is smaller than the sum of its proper divisors (260861898936558).

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

252339816551442 is a wasteful number, since it uses less digits than its factorization.

252339816551442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334201378.

The product of its digits is 62208000, while the sum is 60.

The spelling of 252339816551442 in words is "two hundred fifty-two trillion, three hundred thirty-nine billion, eight hundred sixteen million, five hundred fifty-one thousand, four hundred forty-two".