115540424 has 32 divisors (see below), whose sum is σ = 221616000. Its totient is φ = 56452032.

The previous prime is 115540393. The next prime is 115540427. The reversal of 115540424 is 424045511.

It is a junction number, because it is equal to n+sod(n) for n = 115540393 and 115540402.

It is not an unprimeable number, because it can be changed into a prime (115540427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160337 + ... + 161055.

It is an arithmetic number, because the mean of its divisors is an integer number (6925500).

Almost surely, 2^115540424 is an apocalyptic number.

It is an amenable number.

115540424 is a deficient number, since it is larger than the sum of its proper divisors (106075576).

115540424 is a wasteful number, since it uses less digits than its factorization.

115540424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 115540424 is about 10748.9731602605. The cubic root of 115540424 is about 487.0549770895.

Adding to 115540424 its reverse (424045511), we get a palindrome (539585935).

The spelling of 115540424 in words is "one hundred fifteen million, five hundred forty thousand, four hundred twenty-four".