40976492979 has 4 divisors (see below), whose sum is σ = 54635323976. Its totient is φ = 27317661984.

The previous prime is 40976492959. The next prime is 40976492983. The reversal of 40976492979 is 97929467904.

40976492979 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 not a de Polignac number, because 40976492979 - 2²³ = 40968104371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40976492939) 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, 6829415494 + ... + 6829415499.

It is an arithmetic number, because the mean of its divisors is an integer number (13658830994).

Almost surely, 2^40976492979 is an apocalyptic number.

40976492979 is a deficient number, since it is larger than the sum of its proper divisors (13658830997).

40976492979 is a wasteful number, since it uses less digits than its factorization.

40976492979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13658830996.

The product of its (nonzero) digits is 61725888, while the sum is 66.

The spelling of 40976492979 in words is "forty billion, nine hundred seventy-six million, four hundred ninety-two thousand, nine hundred seventy-nine".