40966079939 has 4 divisors (see below), whose sum is σ = 40974195480. Its totient is φ = 40957964400.

The previous prime is 40966079933. The next prime is 40966079951. The reversal of 40966079939 is 93997066904.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40966079939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40966079933) 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, 4050194 + ... + 4060295.

It is an arithmetic number, because the mean of its divisors is an integer number (10243548870).

Almost surely, 2^40966079939 is an apocalyptic number.

40966079939 is a deficient number, since it is larger than the sum of its proper divisors (8115541).

40966079939 is an equidigital number, since it uses as much as digits as its factorization.

40966079939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8115540.

The product of its (nonzero) digits is 19840464, while the sum is 62.

The spelling of 40966079939 in words is "forty billion, nine hundred sixty-six million, seventy-nine thousand, nine hundred thirty-nine".