115006644 has 18 divisors (see below), whose sum is σ = 290711330. Its totient is φ = 38335536.

The previous prime is 115006643. The next prime is 115006651. The reversal of 115006644 is 446600511.

115006644 is a `hidden beast` number, since 1 + 15 + 0 + 0 + 6 + 644 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80784144 + 34222500 = 8988^2 + 5850^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115006643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1597279 + ... + 1597350.

Almost surely, 2^115006644 is an apocalyptic number.

It is an amenable number.

115006644 is an abundant number, since it is smaller than the sum of its proper divisors (175704686).

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

115006644 is a wasteful number, since it uses less digits than its factorization.

115006644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194639 (or 3194634 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 115006644 is about 10724.1150683868. The cubic root of 115006644 is about 486.3037779728.

The spelling of 115006644 in words is "one hundred fifteen million, six thousand, six hundred forty-four".