80444480026 has 4 divisors (see below), whose sum is σ = 120666720042. Its totient is φ = 40222240012.

The previous prime is 80444479993. The next prime is 80444480033. The reversal of 80444480026 is 62008444408.

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

It can be written as a sum of positive squares in only one way, i.e., 70132280625 + 10312199401 = 264825^2 + 101549^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20111120005 + ... + 20111120008.

Almost surely, 2^80444480026 is an apocalyptic number.

80444480026 is a deficient number, since it is larger than the sum of its proper divisors (40222240016).

80444480026 is a wasteful number, since it uses less digits than its factorization.

80444480026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40222240015.

The product of its (nonzero) digits is 196608, while the sum is 40.

The spelling of 80444480026 in words is "eighty billion, four hundred forty-four million, four hundred eighty thousand, twenty-six".