2640342232346 has 96 divisors (see below), whose sum is σ = 5197584672000. Its totient is φ = 995745598848.

The previous prime is 2640342232313. The next prime is 2640342232361. The reversal of 2640342232346 is 6432322430462.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2466425 + ... + 3371043.

It is an arithmetic number, because the mean of its divisors is an integer number (54141507000).

Almost surely, 2^{2640342232346} is an apocalyptic number.

2640342232346 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2640342232346 is a deficient number, since it is larger than the sum of its proper divisors (2557242439654).

2640342232346 is a wasteful number, since it uses less digits than its factorization.

2640342232346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904756 (or 904749 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 41.

The spelling of 2640342232346 in words is "two trillion, six hundred forty billion, three hundred forty-two million, two hundred thirty-two thousand, three hundred forty-six".