2113313440 has 48 divisors (see below), whose sum is σ = 5705949312. Its totient is φ = 724564224.

The previous prime is 2113313429. The next prime is 2113313459. The reversal of 2113313440 is 443133112.

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, 942324 + ... + 944563.

It is an arithmetic number, because the mean of its divisors is an integer number (118873944).

Almost surely, 2^2113313440 is an apocalyptic number.

2113313440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113313440 is an abundant number, since it is smaller than the sum of its proper divisors (3592635872).

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

2113313440 is a wasteful number, since it uses less digits than its factorization.

2113313440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886909 (or 1886901 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2113313440 is about 45970.7889860507. The cubic root of 2113313440 is about 1283.2796430378.

Adding to 2113313440 its reverse (443133112), we get a palindrome (2556446552).

The spelling of 2113313440 in words is "two billion, one hundred thirteen million, three hundred thirteen thousand, four hundred forty".