80530560 has 384 divisors, whose sum is σ = 320785920. Its totient is φ = 18432000.

The previous prime is 80530511. The next prime is 80530577. The reversal of 80530560 is 6503508.

80530560 is a `hidden beast` number, since 80 + 530 + 56 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1964140 + ... + 1964180.

It is an arithmetic number, because the mean of its divisors is an integer number (835380).

Almost surely, 2^80530560 is an apocalyptic number.

80530560 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 80530560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160392960).

80530560 is an abundant number, since it is smaller than the sum of its proper divisors (240255360).

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

80530560 is a wasteful number, since it uses less digits than its factorization.

80530560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 80530560 is about 8973.8821030811. The cubic root of 80530560 is about 431.8373873570.

The spelling of 80530560 in words is "eighty million, five hundred thirty thousand, five hundred sixty".