2791122340 has 48 divisors (see below), whose sum is σ = 5947925760. Its totient is φ = 1100033280.

The previous prime is 2791122337. The next prime is 2791122349. The reversal of 2791122340 is 432211972.

It is not an unprimeable number, because it can be changed into a prime (2791122349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676885 + ... + 680995.

It is an arithmetic number, because the mean of its divisors is an integer number (123915120).

Almost surely, 2^2791122340 is an apocalyptic number.

2791122340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2791122340 is an abundant number, since it is smaller than the sum of its proper divisors (3156803420).

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

2791122340 is a wasteful number, since it uses less digits than its factorization.

2791122340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612 (or 4610 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2791122340 is about 52831.0736214967. The cubic root of 2791122340 is about 1407.9685616528.

The spelling of 2791122340 in words is "two billion, seven hundred ninety-one million, one hundred twenty-two thousand, three hundred forty".