115403340 has 144 divisors (see below), whose sum is σ = 368928000. Its totient is φ = 26866944.

The previous prime is 115403339. The next prime is 115403341. The reversal of 115403340 is 43304511.

It is an interprime number because it is at equal distance from previous prime (115403339) and next prime (115403341).

It is not an unprimeable number, because it can be changed into a prime (115403341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192361 + ... + 192959.

It is an arithmetic number, because the mean of its divisors is an integer number (2562000).

Almost surely, 2^115403340 is an apocalyptic number.

115403340 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 115403340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184464000).

115403340 is an abundant number, since it is smaller than the sum of its proper divisors (253524660).

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

115403340 is a wasteful number, since it uses less digits than its factorization.

115403340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 115403340 is about 10742.5946586474. The cubic root of 115403340 is about 486.8622772383.

Adding to 115403340 its reverse (43304511), we get a palindrome (158707851).

The spelling of 115403340 in words is "one hundred fifteen million, four hundred three thousand, three hundred forty".