80281380 has 48 divisors (see below), whose sum is σ = 227646720. Its totient is φ = 21136128.

The previous prime is 80281363. The next prime is 80281381. The reversal of 80281380 is 8318208.

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

It is not an unprimeable number, because it can be changed into a prime (80281381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3729 + ... + 13208.

It is an arithmetic number, because the mean of its divisors is an integer number (4742640).

Almost surely, 2^80281380 is an apocalyptic number.

It is an amenable number.

80281380 is an abundant number, since it is smaller than the sum of its proper divisors (147365340).

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

80281380 is a wasteful number, since it uses less digits than its factorization.

80281380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17028 (or 17026 counting only the distinct ones).

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

The square root of 80281380 is about 8959.9877232059. The cubic root of 80281380 is about 431.3915259083.

Adding to 80281380 its reverse (8318208), we get a palindrome (88599588).

The spelling of 80281380 in words is "eighty million, two hundred eighty-one thousand, three hundred eighty".