116311840 has 48 divisors (see below), whose sum is σ = 280651392. Its totient is φ = 45531904.

The previous prime is 116311813. The next prime is 116311913. The reversal of 116311840 is 48113611.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214 + ... + 15253.

It is an arithmetic number, because the mean of its divisors is an integer number (5846904).

Almost surely, 2^116311840 is an apocalyptic number.

116311840 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 116311840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140325696).

116311840 is an abundant number, since it is smaller than the sum of its proper divisors (164339552).

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

116311840 is a wasteful number, since it uses less digits than its factorization.

116311840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15529 (or 15521 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 116311840 is about 10784.7967064753. The cubic root of 116311840 is about 488.1365290304.

The spelling of 116311840 in words is "one hundred sixteen million, three hundred eleven thousand, eight hundred forty".