2180396232 has 192 divisors, whose sum is σ = 7048903680. Its totient is φ = 618518592.

The previous prime is 2180396221. The next prime is 2180396263. The reversal of 2180396232 is 2326930812.

2180396232 is a `hidden beast` number, since 21 + 8 + 0 + 3 + 9 + 623 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2217613 + ... + 2218595.

It is an arithmetic number, because the mean of its divisors is an integer number (36713040).

Almost surely, 2^2180396232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2180396232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3524451840).

2180396232 is an abundant number, since it is smaller than the sum of its proper divisors (4868507448).

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

2180396232 is a wasteful number, since it uses less digits than its factorization.

2180396232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2180396232 is about 46694.7131054470. The cubic root of 2180396232 is about 1296.7168102533.

The spelling of 2180396232 in words is "two billion, one hundred eighty million, three hundred ninety-six thousand, two hundred thirty-two".