80800444444 has 24 divisors (see below), whose sum is σ = 144318218240. Its totient is φ = 39574722096.

The previous prime is 80800444391. The next prime is 80800444447. The reversal of 80800444444 is 44444400808.

80800444444 is a modest number, since divided by 444444 gives 80800 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 80800444397 and 80800444406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80800444447) 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, 966552 + ... + 1046815.

Almost surely, 2^80800444444 is an apocalyptic number.

It is an amenable number.

80800444444 is a deficient number, since it is larger than the sum of its proper divisors (63517773796).

80800444444 is a wasteful number, since it uses less digits than its factorization.

80800444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013577 (or 2013575 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

The spelling of 80800444444 in words is "eighty billion, eight hundred million, four hundred forty-four thousand, four hundred forty-four".