2279431260 has 48 divisors (see below), whose sum is σ = 7091565600. Its totient is φ = 607848192.

The previous prime is 2279431237. The next prime is 2279431289. The reversal of 2279431260 is 621349722.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2110045 + ... + 2111124.

It is an arithmetic number, because the mean of its divisors is an integer number (147740950).

Almost surely, 2^2279431260 is an apocalyptic number.

2279431260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2279431260 is an abundant number, since it is smaller than the sum of its proper divisors (4812134340).

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

2279431260 is a wasteful number, since it uses less digits than its factorization.

2279431260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221187 (or 4221179 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2279431260 is about 47743.3896995176. The cubic root of 2279431260 is about 1316.0594256601.

The spelling of 2279431260 in words is "two billion, two hundred seventy-nine million, four hundred thirty-one thousand, two hundred sixty".