2113100440 has 48 divisors (see below), whose sum is σ = 5226006240. Its totient is φ = 768398400.

The previous prime is 2113100419. The next prime is 2113100443. The reversal of 2113100440 is 440013112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113100443) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 213456 + ... + 223135.

It is an arithmetic number, because the mean of its divisors is an integer number (108875130).

Almost surely, 2^2113100440 is an apocalyptic number.

2113100440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113100440 is an abundant number, since it is smaller than the sum of its proper divisors (3112905800).

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

2113100440 is a wasteful number, since it uses less digits than its factorization.

2113100440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436624 (or 436609 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2113100440 is about 45968.4722391336. The cubic root of 2113100440 is about 1283.2365278453.

Adding to 2113100440 its reverse (440013112), we get a palindrome (2553113552).

The spelling of 2113100440 in words is "two billion, one hundred thirteen million, one hundred thousand, four hundred forty".