80459520 has 144 divisors (see below), whose sum is σ = 268434432. Its totient is φ = 20500480.

The previous prime is 80459501. The next prime is 80459557. The reversal of 80459520 is 2595408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87865 + ... + 88775.

It is an arithmetic number, because the mean of its divisors is an integer number (1864128).

Almost surely, 2^80459520 is an apocalyptic number.

80459520 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 80459520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134217216).

80459520 is an abundant number, since it is smaller than the sum of its proper divisors (187974912).

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

80459520 is a wasteful number, since it uses less digits than its factorization.

80459520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 80459520 is about 8969.9230765932. The cubic root of 80459520 is about 431.7103682759.

The spelling of 80459520 in words is "eighty million, four hundred fifty-nine thousand, five hundred twenty".