252803812640 has 48 divisors (see below), whose sum is σ = 597279251520. Its totient is φ = 101116404480.

The previous prime is 252803812577. The next prime is 252803812663. The reversal of 252803812640 is 46218308252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5656301 + ... + 5700819.

It is an arithmetic number, because the mean of its divisors is an integer number (12443317740).

Almost surely, 2^252803812640 is an apocalyptic number.

252803812640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252803812640 is an abundant number, since it is smaller than the sum of its proper divisors (344475438880).

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

252803812640 is a wasteful number, since it uses less digits than its factorization.

252803812640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80025 (or 80017 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 252803812640 in words is "two hundred fifty-two billion, eight hundred three million, eight hundred twelve thousand, six hundred forty".