2113032442240 has 128 divisors (see below), whose sum is σ = 5224920966720. Its totient is φ = 816591175680.

The previous prime is 2113032442211. The next prime is 2113032442247. The reversal of 2113032442240 is 422442303112.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2113032442240² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2113032442199 and 2113032442208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113032442247) 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, 2311812 + ... + 3093628.

Almost surely, 2^{2113032442240} is an apocalyptic number.

2113032442240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113032442240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2612460483360).

2113032442240 is an abundant number, since it is smaller than the sum of its proper divisors (3111888524480).

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

2113032442240 is a wasteful number, since it uses less digits than its factorization.

2113032442240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781980 (or 781968 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2113032442240 its reverse (422442303112), we get a palindrome (2535474745352).

The spelling of 2113032442240 in words is "two trillion, one hundred thirteen billion, thirty-two million, four hundred forty-two thousand, two hundred forty".