118003280 has 40 divisors (see below), whose sum is σ = 278866824. Its totient is φ = 46425600.

The previous prime is 118003279. The next prime is 118003283. The reversal of 118003280 is 82300811.

It can be written as a sum of positive squares in 4 ways, for example, as 2483776 + 115519504 = 1576^2 + 10748^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118003283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7211 + ... + 16970.

Almost surely, 2^118003280 is an apocalyptic number.

118003280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118003280 is an abundant number, since it is smaller than the sum of its proper divisors (160863544).

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

118003280 is a wasteful number, since it uses less digits than its factorization.

118003280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24255 (or 24249 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 118003280 is about 10862.9314643884. The cubic root of 118003280 is about 490.4913577339.

The spelling of 118003280 in words is "one hundred eighteen million, three thousand, two hundred eighty".