80440004408 has 32 divisors (see below), whose sum is σ = 157420467360. Its totient is φ = 38462054400.

The previous prime is 80440004399. The next prime is 80440004419.

It is a happy number.

80440004408 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747608 + ... + 848408.

It is an arithmetic number, because the mean of its divisors is an integer number (4919389605).

Almost surely, 2^80440004408 is an apocalyptic number.

It is an amenable number.

80440004408 is a deficient number, since it is larger than the sum of its proper divisors (76980462952).

80440004408 is a wasteful number, since it uses less digits than its factorization.

80440004408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105167 (or 105163 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

It can be divided in two parts, 8044000 and 4408, that added together give a palindrome (8048408).

The spelling of 80440004408 in words is "eighty billion, four hundred forty million, four thousand, four hundred eight".