2113011240 has 32 divisors (see below), whose sum is σ = 6339034080. Its totient is φ = 563469632.

The previous prime is 2113011239. The next prime is 2113011259. The reversal of 2113011240 is 421103112.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 8804094 + ... + 8804333.

It is an arithmetic number, because the mean of its divisors is an integer number (198094815).

Almost surely, 2^2113011240 is an apocalyptic number.

2113011240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113011240 is an abundant number, since it is smaller than the sum of its proper divisors (4226022840).

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

2113011240 is a wasteful number, since it uses less digits than its factorization.

2113011240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17608441 (or 17608437 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2113011240 is about 45967.5019986947. The cubic root of 2113011240 is about 1283.2184712325.

Adding to 2113011240 its reverse (421103112), we get a palindrome (2534114352).

The spelling of 2113011240 in words is "two billion, one hundred thirteen million, eleven thousand, two hundred forty".