115885480 has 32 divisors (see below), whose sum is σ = 267792840. Its totient is φ = 45100800.

The previous prime is 115885463. The next prime is 115885487. The reversal of 115885480 is 84588511.

It can be written as a sum of positive squares in 4 ways, for example, as 91738084 + 24147396 = 9578^2 + 4914^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (115885487) 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, 37671 + ... + 40630.

Almost surely, 2^115885480 is an apocalyptic number.

115885480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115885480 is an abundant number, since it is smaller than the sum of its proper divisors (151907360).

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

115885480 is a wasteful number, since it uses less digits than its factorization.

115885480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78349 (or 78345 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 40.

The square root of 115885480 is about 10765.0118439322. The cubic root of 115885480 is about 487.5393507574.

The spelling of 115885480 in words is "one hundred fifteen million, eight hundred eighty-five thousand, four hundred eighty".