2180280916 has 12 divisors (see below), whose sum is σ = 4162354560. Its totient is φ = 991036760.

The previous prime is 2180280887. The next prime is 2180280937. The reversal of 2180280916 is 6190820812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24775876 + ... + 24775963.

It is an arithmetic number, because the mean of its divisors is an integer number (346862880).

Almost surely, 2^2180280916 is an apocalyptic number.

It is an amenable number.

2180280916 is a deficient number, since it is larger than the sum of its proper divisors (1982073644).

2180280916 is a wasteful number, since it uses less digits than its factorization.

2180280916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49551854 (or 49551852 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 2180280916 is about 46693.4783026495. The cubic root of 2180280916 is about 1296.6939497552.

The spelling of 2180280916 in words is "two billion, one hundred eighty million, two hundred eighty thousand, nine hundred sixteen".