80800764440 has 32 divisors (see below), whose sum is σ = 198329150160. Its totient is φ = 29382096000.

The previous prime is 80800764439. The next prime is 80800764449. The reversal of 80800764440 is 4446700808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80800764449) 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, 91818611 + ... + 91819490.

Almost surely, 2^80800764440 is an apocalyptic number.

It is an amenable number.

80800764440 is an abundant number, since it is smaller than the sum of its proper divisors (117528385720).

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

80800764440 is a wasteful number, since it uses less digits than its factorization.

80800764440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183638123 (or 183638119 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The spelling of 80800764440 in words is "eighty billion, eight hundred million, seven hundred sixty-four thousand, four hundred forty".