13112341440 has 112 divisors (see below), whose sum is σ = 45416419200. Its totient is φ = 3178746880.

The previous prime is 13112341433. The next prime is 13112341603. The reversal of 13112341440 is 4414321131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13112341440.

It is a congruent number.

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, 610290 + ... + 631409.

Almost surely, 2^13112341440 is an apocalyptic number.

13112341440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112341440 is an abundant number, since it is smaller than the sum of its proper divisors (32304077760).

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

13112341440 is a wasteful number, since it uses less digits than its factorization.

13112341440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241730 (or 1241720 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13112341440 its reverse (4414321131), we get a palindrome (17526662571).

The spelling of 13112341440 in words is "thirteen billion, one hundred twelve million, three hundred forty-one thousand, four hundred forty".