252092891544 has 32 divisors (see below), whose sum is σ = 678711631920. Its totient is φ = 77567043456.

The previous prime is 252092891543. The next prime is 252092891573. The reversal of 252092891544 is 445198290252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252092891543) 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, 403994707 + ... + 403995330.

Almost surely, 2^252092891544 is an apocalyptic number.

252092891544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252092891544 is an abundant number, since it is smaller than the sum of its proper divisors (426618740376).

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

252092891544 is a wasteful number, since it uses less digits than its factorization.

252092891544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807990059 (or 807990055 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 252092891544 in words is "two hundred fifty-two billion, ninety-two million, eight hundred ninety-one thousand, five hundred forty-four".