252930861780 has 48 divisors (see below), whose sum is σ = 745480438080. Its totient is φ = 63898322688.

The previous prime is 252930861739. The next prime is 252930861791. The reversal of 252930861780 is 87168039252.

252930861780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110933449 + ... + 110935728.

It is an arithmetic number, because the mean of its divisors is an integer number (15530842460).

Almost surely, 2^252930861780 is an apocalyptic number.

252930861780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252930861780 is an abundant number, since it is smaller than the sum of its proper divisors (492549576300).

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

252930861780 is a wasteful number, since it uses less digits than its factorization.

252930861780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221869208 (or 221869206 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 252930861780 in words is "two hundred fifty-two billion, nine hundred thirty million, eight hundred sixty-one thousand, seven hundred eighty".