2279615980 has 24 divisors (see below), whose sum is σ = 4798018512. Its totient is φ = 909784512.

The previous prime is 2279615971. The next prime is 2279616011. The reversal of 2279615980 is 895169722.

2279615980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 119787 + ... + 137506.

It is an arithmetic number, because the mean of its divisors is an integer number (199917438).

Almost surely, 2^2279615980 is an apocalyptic number.

2279615980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2279615980 is an abundant number, since it is smaller than the sum of its proper divisors (2518402532).

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

2279615980 is a wasteful number, since it uses less digits than its factorization.

2279615980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257745 (or 257743 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 2279615980 is about 47745.3241689697. The cubic root of 2279615980 is about 1316.0949748684.

The spelling of 2279615980 in words is "two billion, two hundred seventy-nine million, six hundred fifteen thousand, nine hundred eighty".