115402340 has 12 divisors (see below), whose sum is σ = 242344956. Its totient is φ = 46160928.

The previous prime is 115402327. The next prime is 115402349. The reversal of 115402340 is 43204511.

It can be written as a sum of positive squares in 2 ways, for example, as 12054784 + 103347556 = 3472^2 + 10166^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5770117 = 115402340 / (1 + 1 + 5 + 4 + 0 + 2 + 3 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (115402349) 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 3 ways as a sum of consecutive naturals, for example, 2885039 + ... + 2885078.

It is an arithmetic number, because the mean of its divisors is an integer number (20195413).

Almost surely, 2^115402340 is an apocalyptic number.

115402340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115402340 is an abundant number, since it is smaller than the sum of its proper divisors (126942616).

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

115402340 is a wasteful number, since it uses less digits than its factorization.

115402340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5770126 (or 5770124 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 115402340 is about 10742.5481148562. The cubic root of 115402340 is about 486.8608709714.

Adding to 115402340 its reverse (43204511), we get a palindrome (158606851).

The spelling of 115402340 in words is "one hundred fifteen million, four hundred two thousand, three hundred forty".