115404432 has 320 divisors, whose sum is σ = 395974656. Its totient is φ = 28385280.

The previous prime is 115404391. The next prime is 115404433. The reversal of 115404432 is 234404511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115404433) 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 63 ways as a sum of consecutive naturals, for example, 2683803 + ... + 2683845.

Almost surely, 2^115404432 is an apocalyptic number.

115404432 is a gapful number since it is divisible by the number (12) 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 115404432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197987328).

115404432 is an abundant number, since it is smaller than the sum of its proper divisors (280570224).

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

115404432 is a wasteful number, since it uses less digits than its factorization.

115404432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 115404432 is about 10742.6454842371. The cubic root of 115404432 is about 486.8638128725.

Adding to 115404432 its reverse (234404511), we get a palindrome (349808943).

The spelling of 115404432 in words is "one hundred fifteen million, four hundred four thousand, four hundred thirty-two".