40334309979 has 4 divisors (see below), whose sum is σ = 53779079976. Its totient is φ = 26889539984.

The previous prime is 40334309971. The next prime is 40334309989. The reversal of 40334309979 is 97990343304.

40334309979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40334309979 - 2³ = 40334309971 is a prime.

It is a super-2 number, since 2×40334309979² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40334309971) 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, 6722384994 + ... + 6722384999.

It is an arithmetic number, because the mean of its divisors is an integer number (13444769994).

Almost surely, 2^40334309979 is an apocalyptic number.

40334309979 is a deficient number, since it is larger than the sum of its proper divisors (13444769997).

40334309979 is a wasteful number, since it uses less digits than its factorization.

40334309979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13444769996.

The product of its (nonzero) digits is 2204496, while the sum is 51.

The spelling of 40334309979 in words is "forty billion, three hundred thirty-four million, three hundred nine thousand, nine hundred seventy-nine".