2113044402 has 32 divisors (see below), whose sum is σ = 4836529152. Its totient is φ = 602887824.

The previous prime is 2113044389. The next prime is 2113044457. The reversal of 2113044402 is 2044403112.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4068 + ... + 65135.

It is an arithmetic number, because the mean of its divisors is an integer number (151141536).

Almost surely, 2^2113044402 is an apocalyptic number.

2113044402 is an abundant number, since it is smaller than the sum of its proper divisors (2723484750).

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

2113044402 is a wasteful number, since it uses less digits than its factorization.

2113044402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69942.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2113044402 is about 45967.8627086359. The cubic root of 2113044402 is about 1283.2251842223.

Adding to 2113044402 its reverse (2044403112), we get a palindrome (4157447514).

The spelling of 2113044402 in words is "two billion, one hundred thirteen million, forty-four thousand, four hundred two".