115252040 has 64 divisors (see below), whose sum is σ = 272669760. Its totient is φ = 43787520.

The previous prime is 115252031. The next prime is 115252091. The reversal of 115252040 is 40252511.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 62735 + ... + 64545.

It is an arithmetic number, because the mean of its divisors is an integer number (4260465).

Almost surely, 2^115252040 is an apocalyptic number.

115252040 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 115252040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136334880).

115252040 is an abundant number, since it is smaller than the sum of its proper divisors (157417720).

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

115252040 is a wasteful number, since it uses less digits than its factorization.

115252040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902 (or 1898 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 115252040 is about 10735.5502886438. The cubic root of 115252040 is about 486.6494166234.

The spelling of 115252040 in words is "one hundred fifteen million, two hundred fifty-two thousand, forty".