2113320240 has 80 divisors (see below), whose sum is σ = 7279221600. Its totient is φ = 563551488.

The previous prime is 2113320229. The next prime is 2113320257. The reversal of 2113320240 is 420233112.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2113320240² = 8932244873587315200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 15 ways as a sum of consecutive naturals, for example, 487035 + ... + 491354.

It is an arithmetic number, because the mean of its divisors is an integer number (90990270).

Almost surely, 2^2113320240 is an apocalyptic number.

2113320240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113320240 is an abundant number, since it is smaller than the sum of its proper divisors (5165901360).

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

2113320240 is a wasteful number, since it uses less digits than its factorization.

2113320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978411 (or 978399 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2113320240 is about 45970.8629460009. The cubic root of 2113320240 is about 1283.2810194376.

Adding to 2113320240 its reverse (420233112), we get a palindrome (2533553352).

The spelling of 2113320240 in words is "two billion, one hundred thirteen million, three hundred twenty thousand, two hundred forty".