252266742842 has 16 divisors (see below), whose sum is σ = 394920893952. Its totient is φ = 120628350480.

The previous prime is 252266742821. The next prime is 252266742863. The reversal of 252266742842 is 248247662252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (252266742821) and next prime (252266742863).

It is a super-2 number, since 2×252266742842² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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, 207113 + ... + 739884.

It is an arithmetic number, because the mean of its divisors is an integer number (24682555872).

Almost surely, 2^252266742842 is an apocalyptic number.

252266742842 is a deficient number, since it is larger than the sum of its proper divisors (142654151110).

252266742842 is a wasteful number, since it uses less digits than its factorization.

252266742842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952813.

The product of its digits is 5160960, while the sum is 50.

The spelling of 252266742842 in words is "two hundred fifty-two billion, two hundred sixty-six million, seven hundred forty-two thousand, eight hundred forty-two".