240513107979 has 4 divisors (see below), whose sum is σ = 320684143976. Its totient is φ = 160342071984.

The previous prime is 240513107971. The next prime is 240513107983. The reversal of 240513107979 is 979701315042.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 240513107979 - 2³ = 240513107971 is a prime.

It is a super-2 number, since 2×240513107979² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240513107971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40085517994 + ... + 40085517999.

It is an arithmetic number, because the mean of its divisors is an integer number (80171035994).

Almost surely, 2^240513107979 is an apocalyptic number.

240513107979 is a deficient number, since it is larger than the sum of its proper divisors (80171035997).

240513107979 is an equidigital number, since it uses as much as digits as its factorization.

240513107979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80171035996.

The product of its (nonzero) digits is 476280, while the sum is 48.

The spelling of 240513107979 in words is "two hundred forty billion, five hundred thirteen million, one hundred seven thousand, nine hundred seventy-nine".