115799040 has 264 divisors, whose sum is σ = 459838080. Its totient is φ = 26394624.

The previous prime is 115799039. The next prime is 115799041. The reversal of 115799040 is 40997511.

It is an interprime number because it is at equal distance from previous prime (115799039) and next prime (115799041).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 115798986 and 115799004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115799041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322381 + ... + 322739.

Almost surely, 2^115799040 is an apocalyptic number.

115799040 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 115799040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229919040).

115799040 is an abundant number, since it is smaller than the sum of its proper divisors (344039040).

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

115799040 is a wasteful number, since it uses less digits than its factorization.

115799040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 115799040 is about 10760.9962364086. The cubic root of 115799040 is about 487.4181006402.

The spelling of 115799040 in words is "one hundred fifteen million, seven hundred ninety-nine thousand, forty".