80531823456 has 384 divisors, whose sum is σ = 289476633600. Its totient is φ = 21265182720.

The previous prime is 80531823413. The next prime is 80531823539. The reversal of 80531823456 is 65432813508.

80531823456 is a `hidden beast` number, since 8 + 0 + 531 + 82 + 34 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4702846 + ... + 4719938.

It is an arithmetic number, because the mean of its divisors is an integer number (753845400).

Almost surely, 2^80531823456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80531823456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144738316800).

80531823456 is an abundant number, since it is smaller than the sum of its proper divisors (208944810144).

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

80531823456 is a wasteful number, since it uses less digits than its factorization.

80531823456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17179 (or 17165 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 80531823456 in words is "eighty billion, five hundred thirty-one million, eight hundred twenty-three thousand, four hundred fifty-six".