80235670320 has 240 divisors, whose sum is σ = 291908504160. Its totient is φ = 19749929472.

The previous prime is 80235670289. The next prime is 80235670327. The reversal of 80235670320 is 2307653208.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (80235670327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1556479 + ... + 1607201.

It is an arithmetic number, because the mean of its divisors is an integer number (1216285434).

Almost surely, 2^80235670320 is an apocalyptic number.

80235670320 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 80235670320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145954252080).

80235670320 is an abundant number, since it is smaller than the sum of its proper divisors (211672833840).

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

80235670320 is a wasteful number, since it uses less digits than its factorization.

80235670320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50781 (or 50746 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 80235670320 in words is "eighty billion, two hundred thirty-five million, six hundred seventy thousand, three hundred twenty".