115040745402 has 96 divisors (see below), whose sum is σ = 256821936000. Its totient is φ = 34323886080.

The previous prime is 115040745383. The next prime is 115040745403. The reversal of 115040745402 is 204547040511.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (115040745403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14009874 + ... + 14018082.

It is an arithmetic number, because the mean of its divisors is an integer number (2675228500).

Almost surely, 2^115040745402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115040745402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128410968000).

115040745402 is an abundant number, since it is smaller than the sum of its proper divisors (141781190598).

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

115040745402 is a wasteful number, since it uses less digits than its factorization.

115040745402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8532 (or 8521 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

Adding to 115040745402 its reverse (204547040511), we get a palindrome (319587785913).

The spelling of 115040745402 in words is "one hundred fifteen billion, forty million, seven hundred forty-five thousand, four hundred two".