115940448 has 144 divisors (see below), whose sum is σ = 359115120. Its totient is φ = 35269632.

The previous prime is 115940441. The next prime is 115940449. The reversal of 115940448 is 844049511.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115940441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 647623 + ... + 647801.

It is an arithmetic number, because the mean of its divisors is an integer number (2493855).

Almost surely, 2^115940448 is an apocalyptic number.

115940448 is a gapful number since it is divisible by the number (18) 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 115940448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179557560).

115940448 is an abundant number, since it is smaller than the sum of its proper divisors (243174672).

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

115940448 is a wasteful number, since it uses less digits than its factorization.

115940448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 115940448 is about 10767.5646271569. The cubic root of 115940448 is about 487.6164234759.

Adding to 115940448 its reverse (844049511), we get a palindrome (959989959).

The spelling of 115940448 in words is "one hundred fifteen million, nine hundred forty thousand, four hundred forty-eight".