40164331079 has 2 divisors, whose sum is σ = 40164331080. Its totient is φ = 40164331078.

The previous prime is 40164331063. The next prime is 40164331099. The reversal of 40164331079 is 97013346104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40164331079 - 2⁴ = 40164331063 is a prime.

It is a super-2 number, since 2×40164331079² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40164331099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20082165539 + 20082165540.

It is an arithmetic number, because the mean of its divisors is an integer number (20082165540).

Almost surely, 2^40164331079 is an apocalyptic number.

40164331079 is a deficient number, since it is larger than the sum of its proper divisors (1).

40164331079 is an equidigital number, since it uses as much as digits as its factorization.

40164331079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 40164331079 in words is "forty billion, one hundred sixty-four million, three hundred thirty-one thousand, seventy-nine".