80571120 has 160 divisors (see below), whose sum is σ = 288076800. Its totient is φ = 18247680.

The previous prime is 80571119. The next prime is 80571133. The reversal of 80571120 is 2117508.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334200 + ... + 334440.

It is an arithmetic number, because the mean of its divisors is an integer number (1800480).

Almost surely, 2^80571120 is an apocalyptic number.

80571120 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 80571120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144038400).

80571120 is an abundant number, since it is smaller than the sum of its proper divisors (207505680).

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

80571120 is a wasteful number, since it uses less digits than its factorization.

80571120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 80571120 is about 8976.1417101113. The cubic root of 80571120 is about 431.9098748891.

Adding to 80571120 its reverse (2117508), we get a palindrome (82688628).

The spelling of 80571120 in words is "eighty million, five hundred seventy-one thousand, one hundred twenty".