2113401314440 has 64 divisors (see below), whose sum is σ = 5121265509360. Its totient is φ = 780282270720.

The previous prime is 2113401314383. The next prime is 2113401314441. The reversal of 2113401314440 is 444131043112.

It can be written as a sum of positive squares in 8 ways, for example, as 800878226724 + 1312523087716 = 894918^2 + 1145654^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2113401314399 and 2113401314408.

It is not an unprimeable number, because it can be changed into a prime (2113401314441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8444710 + ... + 8691370.

Almost surely, 2^{2113401314440} is an apocalyptic number.

2113401314440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113401314440 is an abundant number, since it is smaller than the sum of its proper divisors (3007864194920).

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

2113401314440 is a wasteful number, since it uses less digits than its factorization.

2113401314440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263162 (or 263158 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 2113401314440 its reverse (444131043112), we get a palindrome (2557532357552).

The spelling of 2113401314440 in words is "two trillion, one hundred thirteen billion, four hundred one million, three hundred fourteen thousand, four hundred forty".