115404030 has 96 divisors (see below), whose sum is σ = 347203584. Its totient is φ = 26048448.

The previous prime is 115404019. The next prime is 115404031. The reversal of 115404030 is 30404511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 115403994 and 115404012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115404031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51187 + ... + 53393.

It is an arithmetic number, because the mean of its divisors is an integer number (3616704).

Almost surely, 2^115404030 is an apocalyptic number.

115404030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115404030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173601792).

115404030 is an abundant number, since it is smaller than the sum of its proper divisors (231799554).

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

115404030 is a wasteful number, since it uses less digits than its factorization.

115404030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310 (or 2307 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 115404030 is about 10742.6267737458. The cubic root of 115404030 is about 486.8632475577.

Adding to 115404030 its reverse (30404511), we get a palindrome (145808541).

The spelling of 115404030 in words is "one hundred fifteen million, four hundred four thousand, thirty".