116440000 has 140 divisors (see below), whose sum is σ = 299941488. Its totient is φ = 44800000.

The previous prime is 116439979. The next prime is 116440003. The reversal of 116440000 is 44611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116440003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1639965 + ... + 1640035.

Almost surely, 2^116440000 is an apocalyptic number.

116440000 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 116440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149970744).

116440000 is an abundant number, since it is smaller than the sum of its proper divisors (183501488).

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

116440000 is an frugal number, since it uses more digits than its factorization.

116440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 116440000 is about 10790.7367681730. The cubic root of 116440000 is about 488.3157501490.

Adding to 116440000 its reverse (44611), we get a palindrome (116484611).

The spelling of 116440000 in words is "one hundred sixteen million, four hundred forty thousand".