115664904340 has 24 divisors (see below), whose sum is σ = 242932785480. Its totient is φ = 46259011968.

The previous prime is 115664904301. The next prime is 115664904349. The reversal of 115664904340 is 43409466511.

It can be written as a sum of positive squares in 4 ways, for example, as 11803084164 + 103861820176 = 108642^2 + 322276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115664904349) 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, 296827 + ... + 565186.

It is an arithmetic number, because the mean of its divisors is an integer number (10122199395).

Almost surely, 2^115664904340 is an apocalyptic number.

115664904340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115664904340 is an abundant number, since it is smaller than the sum of its proper divisors (127267881140).

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

115664904340 is a wasteful number, since it uses less digits than its factorization.

115664904340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868731 (or 868729 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 115664904340 in words is "one hundred fifteen billion, six hundred sixty-four million, nine hundred four thousand, three hundred forty".