115862540 has 48 divisors (see below), whose sum is σ = 258552000. Its totient is φ = 43529472.

The previous prime is 115862491. The next prime is 115862581. The reversal of 115862540 is 45268511.

It is a junction number, because it is equal to n+sod(n) for n = 115862497 and 115862506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18761 + ... + 24159.

It is an arithmetic number, because the mean of its divisors is an integer number (5386500).

Almost surely, 2^115862540 is an apocalyptic number.

115862540 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 115862540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129276000).

115862540 is an abundant number, since it is smaller than the sum of its proper divisors (142689460).

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

115862540 is a wasteful number, since it uses less digits than its factorization.

115862540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474 (or 5472 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 115862540 is about 10763.9463023558. The cubic root of 115862540 is about 487.5071785049.

The spelling of 115862540 in words is "one hundred fifteen million, eight hundred sixty-two thousand, five hundred forty".