2279879240 has 16 divisors (see below), whose sum is σ = 5129728380. Its totient is φ = 911951680.

The previous prime is 2279879201. The next prime is 2279879263. The reversal of 2279879240 is 429789722.

It can be written as a sum of positive squares in 2 ways, for example, as 2256820036 + 23059204 = 47506^2 + 4802^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28498451 + ... + 28498530.

Almost surely, 2^2279879240 is an apocalyptic number.

2279879240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2279879240 is an abundant number, since it is smaller than the sum of its proper divisors (2849849140).

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

2279879240 is a wasteful number, since it uses less digits than its factorization.

2279879240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56996992 (or 56996988 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 2279879240 is about 47748.0810085599. The cubic root of 2279879240 is about 1316.1456357151.

The spelling of 2279879240 in words is "two billion, two hundred seventy-nine million, eight hundred seventy-nine thousand, two hundred forty".