115463320240 has 40 divisors (see below), whose sum is σ = 269160607440. Its totient is φ = 46063454976.

The previous prime is 115463320129. The next prime is 115463320241. The reversal of 115463320240 is 42023364511.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (115463320241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1873759 + ... + 1934398.

It is an arithmetic number, because the mean of its divisors is an integer number (6729015186).

Almost surely, 2^115463320240 is an apocalyptic number.

115463320240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115463320240 is an abundant number, since it is smaller than the sum of its proper divisors (153697287200).

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

115463320240 is a wasteful number, since it uses less digits than its factorization.

115463320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808549 (or 3808543 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 115463320240 its reverse (42023364511), we get a palindrome (157486684751).

The spelling of 115463320240 in words is "one hundred fifteen billion, four hundred sixty-three million, three hundred twenty thousand, two hundred forty".