252975499780 has 24 divisors (see below), whose sum is σ = 531284140800. Its totient is φ = 101183420640.

The previous prime is 252975499741. The next prime is 252975499823. The reversal of 252975499780 is 87994579252.

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, 112126 + ... + 720085.

It is an arithmetic number, because the mean of its divisors is an integer number (22136839200).

Almost surely, 2^252975499780 is an apocalyptic number.

252975499780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252975499780 is an abundant number, since it is smaller than the sum of its proper divisors (278308641020).

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

252975499780 is a wasteful number, since it uses less digits than its factorization.

252975499780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847419 (or 847417 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 67.

The spelling of 252975499780 in words is "two hundred fifty-two billion, nine hundred seventy-five million, four hundred ninety-nine thousand, seven hundred eighty".