2278968460 has 12 divisors (see below), whose sum is σ = 4785833808. Its totient is φ = 911587376.

The previous prime is 2278968449. The next prime is 2278968467. The reversal of 2278968460 is 648698722.

It is a junction number, because it is equal to n+sod(n) for n = 2278968398 and 2278968407.

It is not an unprimeable number, because it can be changed into a prime (2278968467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56974192 + ... + 56974231.

It is an arithmetic number, because the mean of its divisors is an integer number (398819484).

Almost surely, 2^2278968460 is an apocalyptic number.

2278968460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2278968460 is an abundant number, since it is smaller than the sum of its proper divisors (2506865348).

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

2278968460 is a wasteful number, since it uses less digits than its factorization.

2278968460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113948432 (or 113948430 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The square root of 2278968460 is about 47738.5427092198. The cubic root of 2278968460 is about 1315.9703517555.

The spelling of 2278968460 in words is "two billion, two hundred seventy-eight million, nine hundred sixty-eight thousand, four hundred sixty".