80420171331456 has 480 divisors, whose sum is σ = 269182200533400. Its totient is φ = 23802994575360.

The previous prime is 80420171331433. The next prime is 80420171331559. The reversal of 80420171331456 is 65413317102408.

80420171331456 is a `hidden beast` number, since 8 + 0 + 4 + 20 + 171 + 3 + 3 + 1 + 456 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 53199310 + ... + 54690098.

Almost surely, 2^{80420171331456} is an apocalyptic number.

80420171331456 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80420171331456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134591100266700).

80420171331456 is an abundant number, since it is smaller than the sum of its proper divisors (188762029201944).

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

80420171331456 is a wasteful number, since it uses less digits than its factorization.

80420171331456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490880 (or 1490848 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 80420171331456 in words is "eighty trillion, four hundred twenty billion, one hundred seventy-one million, three hundred thirty-one thousand, four hundred fifty-six".