115897035240 has 768 divisors, whose sum is σ = 472570675200. Its totient is φ = 24037171200.

The previous prime is 115897035161. The next prime is 115897035263. The reversal of 115897035240 is 42530798511.

115897035240 is a `hidden beast` number, since 1 + 1 + 58 + 9 + 70 + 3 + 524 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 167723295 + ... + 167723985.

It is an arithmetic number, because the mean of its divisors is an integer number (615326400).

Almost surely, 2^115897035240 is an apocalyptic number.

115897035240 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 115897035240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236285337600).

115897035240 is an abundant number, since it is smaller than the sum of its proper divisors (356673639960).

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

115897035240 is a wasteful number, since it uses less digits than its factorization.

115897035240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 115897035240 in words is "one hundred fifteen billion, eight hundred ninety-seven million, thirty-five thousand, two hundred forty".