80318280 has 64 divisors (see below), whose sum is σ = 275379840. Its totient is φ = 18358272.

The previous prime is 80318269. The next prime is 80318299. The reversal of 80318280 is 8281308.

It is a super-2 number, since 2×80318280² = 12902052204316800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 46969 + ... + 48648.

It is an arithmetic number, because the mean of its divisors is an integer number (4302810).

Almost surely, 2^80318280 is an apocalyptic number.

It is an amenable number.

80318280 is an abundant number, since it is smaller than the sum of its proper divisors (195061560).

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

80318280 is a wasteful number, since it uses less digits than its factorization.

80318280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95638 (or 95634 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 80318280 is about 8962.0466412533. The cubic root of 80318280 is about 431.4576097626.

Adding to 80318280 its reverse (8281308), we get a palindrome (88599588).

The spelling of 80318280 in words is "eighty million, three hundred eighteen thousand, two hundred eighty".