2180393252 has 12 divisors (see below), whose sum is σ = 3853467996. Its totient is φ = 1079402400.

The previous prime is 2180393221. The next prime is 2180393269. The reversal of 2180393252 is 2523930812.

It can be written as a sum of positive squares in 2 ways, for example, as 2143134436 + 37258816 = 46294^2 + 6104^2 .

It is a super-2 number, since 2×2180393252² = 9508229466734271008, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2698103 + ... + 2698910.

It is an arithmetic number, because the mean of its divisors is an integer number (321122333).

Almost surely, 2^2180393252 is an apocalyptic number.

It is an amenable number.

2180393252 is a deficient number, since it is larger than the sum of its proper divisors (1673074744).

2180393252 is a wasteful number, since it uses less digits than its factorization.

2180393252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397118 (or 5397116 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2180393252 is about 46694.6811960420. The cubic root of 2180393252 is about 1296.7162195017.

The spelling of 2180393252 in words is "two billion, one hundred eighty million, three hundred ninety-three thousand, two hundred fifty-two".