80417280 has 160 divisors (see below), whose sum is σ = 264965184. Its totient is φ = 20791296.

The previous prime is 80417279. The next prime is 80417287. The reversal of 80417280 is 8271408.

It is a tau number, because it is divible by the number of its divisors (160).

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 (80417287) 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, 284019 + ... + 284301.

Almost surely, 2^80417280 is an apocalyptic number.

80417280 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 80417280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132482592).

80417280 is an abundant number, since it is smaller than the sum of its proper divisors (184547904).

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

80417280 is a wasteful number, since it uses less digits than its factorization.

80417280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 80417280 is about 8967.5682322467. The cubic root of 80417280 is about 431.6348079693.

Adding to 80417280 its reverse (8271408), we get a palindrome (88688688).

The spelling of 80417280 in words is "eighty million, four hundred seventeen thousand, two hundred eighty".