40204044039 has 16 divisors (see below), whose sum is σ = 57013189632. Its totient is φ = 25112938368.

The previous prime is 40204044031. The next prime is 40204044043. The reversal of 40204044039 is 93044040204.

It is not a de Polignac number, because 40204044039 - 2³ = 40204044031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40204043997 and 40204044015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204044031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1756149 + ... + 1778894.

It is an arithmetic number, because the mean of its divisors is an integer number (3563324352).

Almost surely, 2^40204044039 is an apocalyptic number.

40204044039 is a deficient number, since it is larger than the sum of its proper divisors (16809145593).

40204044039 is a wasteful number, since it uses less digits than its factorization.

40204044039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535286.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 40204044039 in words is "forty billion, two hundred four million, forty-four thousand, thirty-nine".