2180746572 has 24 divisors (see below), whose sum is σ = 5089605696. Its totient is φ = 726744528.

The previous prime is 2180746559. The next prime is 2180746661. The reversal of 2180746572 is 2756470812.

2180746572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2180746572² = 9511311222579502368, which contains 22 as substring.

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, 38463 + ... + 76425.

It is an arithmetic number, because the mean of its divisors is an integer number (212066904).

Almost surely, 2^2180746572 is an apocalyptic number.

It is an amenable number.

2180746572 is an abundant number, since it is smaller than the sum of its proper divisors (2908859124).

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

2180746572 is a wasteful number, since it uses less digits than its factorization.

2180746572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42757 (or 42755 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 2180746572 is about 46698.4643430595. The cubic root of 2180746572 is about 1296.7862574837.

The spelling of 2180746572 in words is "two billion, one hundred eighty million, seven hundred forty-six thousand, five hundred seventy-two".