80120074320 has 840 divisors, whose sum is σ = 330367381920. Its totient is φ = 17904706560.

The previous prime is 80120074289. The next prime is 80120074379. The reversal of 80120074320 is 2347002108.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 108416511 + ... + 108417249.

Almost surely, 2^80120074320 is an apocalyptic number.

80120074320 is a gapful number since it is divisible by the number (80) 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 80120074320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165183690960).

80120074320 is an abundant number, since it is smaller than the sum of its proper divisors (250247307600).

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

80120074320 is a wasteful number, since it uses less digits than its factorization.

80120074320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 80120074320 its reverse (2347002108), we get a palindrome (82467076428).

The spelling of 80120074320 in words is "eighty billion, one hundred twenty million, seventy-four thousand, three hundred twenty".