115309480 has 128 divisors (see below), whose sum is σ = 321148800. Its totient is φ = 36633600.

The previous prime is 115309463. The next prime is 115309483. The reversal of 115309480 is 84903511.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (115309483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108150 + ... + 109210.

It is an arithmetic number, because the mean of its divisors is an integer number (2508975).

Almost surely, 2^115309480 is an apocalyptic number.

115309480 is a gapful number since it is divisible by the number (10) 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 115309480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160574400).

115309480 is an abundant number, since it is smaller than the sum of its proper divisors (205839320).

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

115309480 is a wasteful number, since it uses less digits than its factorization.

115309480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 115309480 is about 10738.2251792370. The cubic root of 115309480 is about 486.7302496104.

The spelling of 115309480 in words is "one hundred fifteen million, three hundred nine thousand, four hundred eighty".