116505440 has 96 divisors (see below), whose sum is σ = 288562176. Its totient is φ = 44398080.

The previous prime is 116505427. The next prime is 116505443. The reversal of 116505440 is 44505611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116505443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411539 + ... + 411821.

It is an arithmetic number, because the mean of its divisors is an integer number (3005856).

Almost surely, 2^116505440 is an apocalyptic number.

116505440 is a gapful number since it is divisible by the number (10) 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 116505440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144281088).

116505440 is an abundant number, since it is smaller than the sum of its proper divisors (172056736).

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

116505440 is a wasteful number, since it uses less digits than its factorization.

116505440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 116505440 is about 10793.7685726534. The cubic root of 116505440 is about 488.4072118408.

The spelling of 116505440 in words is "one hundred sixteen million, five hundred five thousand, four hundred forty".