80440204444 has 24 divisors (see below), whose sum is σ = 150937698240. Its totient is φ = 37375044096.

The previous prime is 80440204441. The next prime is 80440204463. The reversal of 80440204444 is 44440204408.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80440204441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7481617 + ... + 7492360.

It is an arithmetic number, because the mean of its divisors is an integer number (6289070760).

Almost surely, 2^80440204444 is an apocalyptic number.

It is an amenable number.

80440204444 is a deficient number, since it is larger than the sum of its proper divisors (70497493796).

80440204444 is a wasteful number, since it uses less digits than its factorization.

80440204444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14974077 (or 14974075 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 34.

The spelling of 80440204444 in words is "eighty billion, four hundred forty million, two hundred four thousand, four hundred forty-four".