115416644 has 48 divisors (see below), whose sum is σ = 237756288. Its totient is φ = 47996928.

The previous prime is 115416611. The next prime is 115416673. The reversal of 115416644 is 446614511.

It is a self number, because there is not a number n which added to its sum of digits gives 115416644.

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, 309242 + ... + 309614.

It is an arithmetic number, because the mean of its divisors is an integer number (4953256).

Almost surely, 2^115416644 is an apocalyptic number.

115416644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115416644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118878144).

115416644 is an abundant number, since it is smaller than the sum of its proper divisors (122339644).

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

115416644 is a wasteful number, since it uses less digits than its factorization.

115416644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 682 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 115416644 is about 10743.2138580594. The cubic root of 115416644 is about 486.8809854399.

The spelling of 115416644 in words is "one hundred fifteen million, four hundred sixteen thousand, six hundred forty-four".