115423522440 has 32 divisors (see below), whose sum is σ = 346270567680. Its totient is φ = 30779605952.

The previous prime is 115423522429. The next prime is 115423522441. The reversal of 115423522440 is 44225324511.

It is not an unprimeable number, because it can be changed into a prime (115423522441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480931224 + ... + 480931463.

It is an arithmetic number, because the mean of its divisors is an integer number (10820955240).

Almost surely, 2^115423522440 is an apocalyptic number.

115423522440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115423522440 is an abundant number, since it is smaller than the sum of its proper divisors (230847045240).

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

115423522440 is a wasteful number, since it uses less digits than its factorization.

115423522440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961862701 (or 961862697 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 115423522440 its reverse (44225324511), we get a palindrome (159648846951).

The spelling of 115423522440 in words is "one hundred fifteen billion, four hundred twenty-three million, five hundred twenty-two thousand, four hundred forty".