2640342232345 has 16 divisors (see below), whose sum is σ = 3170090598912. Its totient is φ = 2111154122880.

The previous prime is 2640342232313. The next prime is 2640342232361. The reversal of 2640342232345 is 5432322430462.

It is not a de Polignac number, because 2640342232345 - 2⁵ = 2640342232313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2640342232298 and 2640342232307.

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, 104833624 + ... + 104858806.

It is an arithmetic number, because the mean of its divisors is an integer number (198130662432).

Almost surely, 2^{2640342232345} is an apocalyptic number.

It is an amenable number.

2640342232345 is a deficient number, since it is larger than the sum of its proper divisors (529748366567).

2640342232345 is a wasteful number, since it uses less digits than its factorization.

2640342232345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35472.

The product of its (nonzero) digits is 829440, while the sum is 40.

The spelling of 2640342232345 in words is "two trillion, six hundred forty billion, three hundred forty-two million, two hundred thirty-two thousand, three hundred forty-five".