115288845940 has 48 divisors (see below), whose sum is σ = 257273794512. Its totient is φ = 43246135296.

The previous prime is 115288845883. The next prime is 115288845967. The reversal of 115288845940 is 49548882511.

It can be written as a sum of positive squares in 8 ways, for example, as 451902564 + 114836943376 = 21258^2 + 338876^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517887 + ... + 706246.

It is an arithmetic number, because the mean of its divisors is an integer number (5359870719).

Almost surely, 2^115288845940 is an apocalyptic number.

115288845940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115288845940 is an abundant number, since it is smaller than the sum of its proper divisors (141984948572).

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

115288845940 is a wasteful number, since it uses less digits than its factorization.

115288845940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224436 (or 1224434 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 55.

The spelling of 115288845940 in words is "one hundred fifteen billion, two hundred eighty-eight million, eight hundred forty-five thousand, nine hundred forty".