115660794240 has 320 divisors, whose sum is σ = 413658915120. Its totient is φ = 30797107200.

The previous prime is 115660794203. The next prime is 115660794251. The reversal of 115660794240 is 42497066511.

115660794240 is a `hidden beast` number, since 1 + 1 + 566 + 0 + 7 + 9 + 42 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 48780255 + ... + 48782625.

Almost surely, 2^115660794240 is an apocalyptic number.

115660794240 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 115660794240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206829457560).

115660794240 is an abundant number, since it is smaller than the sum of its proper divisors (297998120880).

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

115660794240 is an equidigital number, since it uses as much as digits as its factorization.

115660794240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343 (or 3322 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 115660794240 in words is "one hundred fifteen billion, six hundred sixty million, seven hundred ninety-four thousand, two hundred forty".