80234975520 has 288 divisors, whose sum is σ = 326671833600. Its totient is φ = 18339374592.

The previous prime is 80234975477. The next prime is 80234975521. The reversal of 80234975520 is 2557943208.

80234975520 is a `hidden beast` number, since 8 + 0 + 2 + 3 + 4 + 97 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (80234975521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22161 + ... + 401199.

It is an arithmetic number, because the mean of its divisors is an integer number (1134277200).

Almost surely, 2^80234975520 is an apocalyptic number.

80234975520 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 80234975520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163335916800).

80234975520 is an abundant number, since it is smaller than the sum of its proper divisors (246436858080).

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

80234975520 is a wasteful number, since it uses less digits than its factorization.

80234975520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379077 (or 379056 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 80234975520 in words is "eighty billion, two hundred thirty-four million, nine hundred seventy-five thousand, five hundred twenty".