115698240 has 224 divisors, whose sum is σ = 466709760. Its totient is φ = 26431488.

The previous prime is 115698229. The next prime is 115698241. The reversal of 115698240 is 42896511.

115698240 is a `hidden beast` number, since 11 + 569 + 82 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

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 = 115698195 and 115698204.

It is not an unprimeable number, because it can be changed into a prime (115698241) 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, 59524 + ... + 61436.

Almost surely, 2^115698240 is an apocalyptic number.

115698240 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 115698240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233354880).

115698240 is an abundant number, since it is smaller than the sum of its proper divisors (351011520).

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

115698240 is a wasteful number, since it uses less digits than its factorization.

115698240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 115698240 is about 10756.3116355003. The cubic root of 115698240 is about 487.2766313977.

The spelling of 115698240 in words is "one hundred fifteen million, six hundred ninety-eight thousand, two hundred forty".