2391002340 has 24 divisors (see below), whose sum is σ = 6694806720. Its totient is φ = 637600608.

The previous prime is 2391002333. The next prime is 2391002357. The reversal of 2391002340 is 432001932.

It is a self number, because there is not a number n which added to its sum of digits gives 2391002340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19924960 + ... + 19925079.

It is an arithmetic number, because the mean of its divisors is an integer number (278950280).

Almost surely, 2^2391002340 is an apocalyptic number.

2391002340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2391002340 is an abundant number, since it is smaller than the sum of its proper divisors (4303804380).

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

2391002340 is a wasteful number, since it uses less digits than its factorization.

2391002340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39850051 (or 39850049 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2391002340 is about 48897.8766410158. The cubic root of 2391002340 is about 1337.1906576645.

The spelling of 2391002340 in words is "two billion, three hundred ninety-one million, two thousand, three hundred forty".