115240421340 has 72 divisors (see below), whose sum is σ = 381341037168. Its totient is φ = 27937071360.

The previous prime is 115240421333. The next prime is 115240421347. The reversal of 115240421340 is 43124042511.

115240421340 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 404 + 213 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (115240421333) and next prime (115240421347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115240421347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29099137 + ... + 29103096.

It is an arithmetic number, because the mean of its divisors is an integer number (5296403294).

Almost surely, 2^115240421340 is an apocalyptic number.

115240421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115240421340 is an abundant number, since it is smaller than the sum of its proper divisors (266100615828).

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

115240421340 is a wasteful number, since it uses less digits than its factorization.

115240421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58202259 (or 58202254 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 115240421340 its reverse (43124042511), we get a palindrome (158364463851).

The spelling of 115240421340 in words is "one hundred fifteen billion, two hundred forty million, four hundred twenty-one thousand, three hundred forty".