115433440320 has 224 divisors, whose sum is σ = 407365200000. Its totient is φ = 27455733760.

The previous prime is 115433440301. The next prime is 115433440321. The reversal of 115433440320 is 23044334511.

It is a super-2 number, since 2×115433440320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (115433440321) 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, 456556 + ... + 662804.

Almost surely, 2^115433440320 is an apocalyptic number.

115433440320 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 115433440320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203682600000).

115433440320 is an abundant number, since it is smaller than the sum of its proper divisors (291931759680).

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

115433440320 is a wasteful number, since it uses less digits than its factorization.

115433440320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206333 (or 206323 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 115433440320 its reverse (23044334511), we get a palindrome (138477774831).

The spelling of 115433440320 in words is "one hundred fifteen billion, four hundred thirty-three million, four hundred forty thousand, three hundred twenty".