80450118 has 128 divisors (see below), whose sum is σ = 217728000. Its totient is φ = 21530880.

The previous prime is 80450093. The next prime is 80450141. The reversal of 80450118 is 81105408.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 80450091 and 80450100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 449353 + ... + 449531.

It is an arithmetic number, because the mean of its divisors is an integer number (1701000).

Almost surely, 2^80450118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80450118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108864000).

80450118 is an abundant number, since it is smaller than the sum of its proper divisors (137277882).

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

80450118 is a wasteful number, since it uses less digits than its factorization.

80450118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 80450118 is about 8969.3989765201. The cubic root of 80450118 is about 431.6935519563.

The spelling of 80450118 in words is "eighty million, four hundred fifty thousand, one hundred eighteen".