80444262208 has 28 divisors (see below), whose sum is σ = 169021678212. Its totient is φ = 37856122880.

The previous prime is 80444262193. The next prime is 80444262221. The reversal of 80444262208 is 80226244408.

It can be written as a sum of positive squares in 2 ways, for example, as 36575797504 + 43868464704 = 191248^2 + 209448^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36967783 + ... + 36969958.

Almost surely, 2^80444262208 is an apocalyptic number.

It is an amenable number.

80444262208 is an abundant number, since it is smaller than the sum of its proper divisors (88577416004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80444262208 is a wasteful number, since it uses less digits than its factorization.

80444262208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73937770 (or 73937760 counting only the distinct ones).

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

The spelling of 80444262208 in words is "eighty billion, four hundred forty-four million, two hundred sixty-two thousand, two hundred eight".