40110979 has 2 divisors, whose sum is σ = 40110980. Its totient is φ = 40110978.

The previous prime is 40110971. The next prime is 40110989. The reversal of 40110979 is 97901104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40110979 - 2³ = 40110971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40110979.

It is not a weakly prime, because it can be changed into another prime (40110971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20055489 + 20055490.

It is an arithmetic number, because the mean of its divisors is an integer number (20055490).

Almost surely, 2^40110979 is an apocalyptic number.

40110979 is a deficient number, since it is larger than the sum of its proper divisors (1).

40110979 is an equidigital number, since it uses as much as digits as its factorization.

40110979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 40110979 is about 6333.3229035002. The cubic root of 40110979 is about 342.3111829774.

The spelling of 40110979 in words is "forty million, one hundred ten thousand, nine hundred seventy-nine".