40674693979 has 8 divisors (see below), whose sum is σ = 40858670160. Its totient is φ = 40490773536.

The previous prime is 40674693971. The next prime is 40674694033. The reversal of 40674693979 is 97939647604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40674693979 - 2³ = 40674693971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40674693979.

It is not an unprimeable number, because it can be changed into a prime (40674693971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2318589 + ... + 2336065.

It is an arithmetic number, because the mean of its divisors is an integer number (5107333770).

Almost surely, 2^40674693979 is an apocalyptic number.

40674693979 is a deficient number, since it is larger than the sum of its proper divisors (183976181).

40674693979 is a wasteful number, since it uses less digits than its factorization.

40674693979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27869.

The product of its (nonzero) digits is 61725888, while the sum is 64.

The spelling of 40674693979 in words is "forty billion, six hundred seventy-four million, six hundred ninety-three thousand, nine hundred seventy-nine".