2279257340 has 12 divisors (see below), whose sum is σ = 4786440456. Its totient is φ = 911702928.

The previous prime is 2279257327. The next prime is 2279257367. The reversal of 2279257340 is 437529722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56981414 + ... + 56981453.

It is an arithmetic number, because the mean of its divisors is an integer number (398870038).

Almost surely, 2^2279257340 is an apocalyptic number.

2279257340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2279257340 is an abundant number, since it is smaller than the sum of its proper divisors (2507183116).

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

2279257340 is a wasteful number, since it uses less digits than its factorization.

2279257340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113962876 (or 113962874 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 2279257340 is about 47741.5682607934. The cubic root of 2279257340 is about 1316.0259531471.

The spelling of 2279257340 in words is "two billion, two hundred seventy-nine million, two hundred fifty-seven thousand, three hundred forty".