2343440013040 has 80 divisors (see below), whose sum is σ = 6259456512000. Its totient is φ = 799258487040.

The previous prime is 2343440012989. The next prime is 2343440013073. The reversal of 2343440013040 is 403100443432.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2343440013040² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 10847790 + ... + 11061709.

It is an arithmetic number, because the mean of its divisors is an integer number (78243206400).

Almost surely, 2^{2343440013040} is an apocalyptic number.

2343440013040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2343440013040 is an abundant number, since it is smaller than the sum of its proper divisors (3916016498960).

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

2343440013040 is a wasteful number, since it uses less digits than its factorization.

2343440013040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21909710 (or 21909704 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 2343440013040 its reverse (403100443432), we get a palindrome (2746540456472).

The spelling of 2343440013040 in words is "two trillion, three hundred forty-three billion, four hundred forty million, thirteen thousand, forty".