115533408 has 96 divisors (see below), whose sum is σ = 314344800. Its totient is φ = 37130240.

The previous prime is 115533403. The next prime is 115533409. The reversal of 115533408 is 804335511.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115533403) 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 15 ways as a sum of consecutive naturals, for example, 586366 + ... + 586562.

It is an arithmetic number, because the mean of its divisors is an integer number (3274425).

Almost surely, 2^115533408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115533408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157172400).

115533408 is an abundant number, since it is smaller than the sum of its proper divisors (198811392).

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

115533408 is a wasteful number, since it uses less digits than its factorization.

115533408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 115533408 is about 10748.6467985510. The cubic root of 115533408 is about 487.0451183555.

Adding to 115533408 its reverse (804335511), we get a palindrome (919868919).

The spelling of 115533408 in words is "one hundred fifteen million, five hundred thirty-three thousand, four hundred eight".