2640260140341 has 4 divisors (see below), whose sum is σ = 3520346853792. Its totient is φ = 1760173426892.

The previous prime is 2640260140321. The next prime is 2640260140447. The reversal of 2640260140341 is 1430410620462.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2640260140341 - 2⁷ = 2640260140213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640260140321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440043356721 + ... + 440043356726.

It is an arithmetic number, because the mean of its divisors is an integer number (880086713448).

Almost surely, 2^{2640260140341} is an apocalyptic number.

It is an amenable number.

2640260140341 is a deficient number, since it is larger than the sum of its proper divisors (880086713451).

2640260140341 is an equidigital number, since it uses as much as digits as its factorization.

2640260140341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880086713450.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 2640260140341 in words is "two trillion, six hundred forty billion, two hundred sixty million, one hundred forty thousand, three hundred forty-one".