40044080079 has 28 divisors (see below), whose sum is σ = 60934828696. Its totient is φ = 26297572752.

The previous prime is 40044080077. The next prime is 40044080107. The reversal of 40044080079 is 97008044004.

40044080079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40044080079 - 2¹ = 40044080077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40044080071) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 361084 + ... + 458769.

It is an arithmetic number, because the mean of its divisors is an integer number (2176243882).

Almost surely, 2^40044080079 is an apocalyptic number.

40044080079 is a deficient number, since it is larger than the sum of its proper divisors (20890748617).

40044080079 is an frugal number, since it uses more digits than its factorization.

40044080079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819938 (or 819923 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 40044080079 in words is "forty billion, forty-four million, eighty thousand, seventy-nine".