115645333240 has 64 divisors (see below), whose sum is σ = 264507249600. Its totient is φ = 45498958848.

The previous prime is 115645333217. The next prime is 115645333267. The reversal of 115645333240 is 42333546511.

It is a self number, because there is not a number n which added to its sum of digits gives 115645333240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500517 + ... + 694123.

It is an arithmetic number, because the mean of its divisors is an integer number (4132925775).

Almost surely, 2^115645333240 is an apocalyptic number.

115645333240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115645333240 is an abundant number, since it is smaller than the sum of its proper divisors (148861916360).

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

115645333240 is a wasteful number, since it uses less digits than its factorization.

115645333240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193864 (or 193860 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 115645333240 its reverse (42333546511), we get a palindrome (157978879751).

The spelling of 115645333240 in words is "one hundred fifteen billion, six hundred forty-five million, three hundred thirty-three thousand, two hundred forty".