115428984444 has 96 divisors (see below), whose sum is σ = 306946913280. Its totient is φ = 37490428800.

The previous prime is 115428984439. The next prime is 115428984487. The reversal of 115428984444 is 444489824511.

It is a happy number.

115428984444 is a `hidden beast` number, since 1 + 1 + 5 + 42 + 89 + 84 + 444 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3575037 + ... + 3607179.

It is an arithmetic number, because the mean of its divisors is an integer number (3197363680).

Almost surely, 2^115428984444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115428984444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153473456640).

115428984444 is an abundant number, since it is smaller than the sum of its proper divisors (191517928836).

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

115428984444 is a wasteful number, since it uses less digits than its factorization.

115428984444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33008 (or 33000 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 54.

The spelling of 115428984444 in words is "one hundred fifteen billion, four hundred twenty-eight million, nine hundred eighty-four thousand, four hundred forty-four".