252339816551444 has 24 divisors (see below), whose sum is σ = 450991104106368. Its totient is φ = 123485224826880.

The previous prime is 252339816551443. The next prime is 252339816551477. The reversal of 252339816551444 is 444155618933252.

It is a super-2 number, since 2×252339816551444² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 178186679 + ... + 179597249.

It is an arithmetic number, because the mean of its divisors is an integer number (18791296004432).

Almost surely, 2^{252339816551444} is an apocalyptic number.

It is an amenable number.

252339816551444 is a deficient number, since it is larger than the sum of its proper divisors (198651287554924).

252339816551444 is a wasteful number, since it uses less digits than its factorization.

252339816551444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362175 (or 2362173 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 62.

The spelling of 252339816551444 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-four".