115314324440 has 384 divisors, whose sum is σ = 324638876160. Its totient is φ = 36672362496.

The previous prime is 115314324439. The next prime is 115314324467. The reversal of 115314324440 is 44423413511.

It is a junction number, because it is equal to n+sod(n) for n = 115314324397 and 115314324406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 220486019 + ... + 220486541.

It is an arithmetic number, because the mean of its divisors is an integer number (845413740).

Almost surely, 2^115314324440 is an apocalyptic number.

115314324440 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 115314324440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162319438080).

115314324440 is an abundant number, since it is smaller than the sum of its proper divisors (209324551720).

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

115314324440 is a wasteful number, since it uses less digits than its factorization.

115314324440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 115314324440 its reverse (44423413511), we get a palindrome (159737737951).

The spelling of 115314324440 in words is "one hundred fifteen billion, three hundred fourteen million, three hundred twenty-four thousand, four hundred forty".