80004400039 has 4 divisors (see below), whose sum is σ = 80406432400. Its totient is φ = 79602367680.

The previous prime is 80004399971. The next prime is 80004400097. The reversal of 80004400039 is 93000440008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80004400039 - 2⁷ = 80004399911 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 (80004409039) 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, 201015882 + ... + 201016279.

It is an arithmetic number, because the mean of its divisors is an integer number (20101608100).

Almost surely, 2^80004400039 is an apocalyptic number.

80004400039 is a deficient number, since it is larger than the sum of its proper divisors (402032361).

80004400039 is a wasteful number, since it uses less digits than its factorization.

80004400039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402032360.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 80004400039 in words is "eighty billion, four million, four hundred thousand, thirty-nine".