115440120230 has 32 divisors (see below), whose sum is σ = 211980543264. Its totient is φ = 45253368576.

The previous prime is 115440120217. The next prime is 115440120283. The reversal of 115440120230 is 32021044511.

It is a junction number, because it is equal to n+sod(n) for n = 115440120196 and 115440120205.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 389012 + ... + 618231.

It is an arithmetic number, because the mean of its divisors is an integer number (6624391977).

Almost surely, 2^115440120230 is an apocalyptic number.

115440120230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115440120230 is a deficient number, since it is larger than the sum of its proper divisors (96540423034).

115440120230 is a wasteful number, since it uses less digits than its factorization.

115440120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007480.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 115440120230 its reverse (32021044511), we get a palindrome (147461164741).

The spelling of 115440120230 in words is "one hundred fifteen billion, four hundred forty million, one hundred twenty thousand, two hundred thirty".