80281766000 has 40 divisors (see below), whose sum is σ = 194121315024. Its totient is φ = 32112705600.

The previous prime is 80281765999. The next prime is 80281766003. The reversal of 80281766000 is 66718208.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80281766003) 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, 20068442 + ... + 20072441.

Almost surely, 2^80281766000 is an apocalyptic number.

80281766000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80281766000 is an abundant number, since it is smaller than the sum of its proper divisors (113839549024).

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

80281766000 is a wasteful number, since it uses less digits than its factorization.

80281766000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40140906 (or 40140890 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 80281766000 in words is "eighty billion, two hundred eighty-one million, seven hundred sixty-six thousand".