252232380 has 60 divisors (see below), whose sum is σ = 791267400. Its totient is φ = 67261536.

The previous prime is 252232373. The next prime is 252232403. The reversal of 252232380 is 83232252.

252232380 is a `hidden beast` number, since 2 + 52 + 232 + 380 = 666.

252232380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 76230 + ... + 79469.

It is an arithmetic number, because the mean of its divisors is an integer number (13187790).

Almost surely, 2^252232380 is an apocalyptic number.

252232380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252232380 is an abundant number, since it is smaller than the sum of its proper divisors (539035020).

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

252232380 is a wasteful number, since it uses less digits than its factorization.

252232380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155720 (or 155709 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 252232380 is about 15881.8254618290. The cubic root of 252232380 is about 631.8300529802.

The spelling of 252232380 in words is "two hundred fifty-two million, two hundred thirty-two thousand, three hundred eighty".