116249640 has 128 divisors (see below), whose sum is σ = 384531840. Its totient is φ = 27933696.

The previous prime is 116249633. The next prime is 116249641. The reversal of 116249640 is 46942611.

It is not an unprimeable number, because it can be changed into a prime (116249641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66214 + ... + 67946.

It is an arithmetic number, because the mean of its divisors is an integer number (3004155).

Almost surely, 2^116249640 is an apocalyptic number.

116249640 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 116249640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192265920).

116249640 is an abundant number, since it is smaller than the sum of its proper divisors (268282200).

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

116249640 is a wasteful number, since it uses less digits than its factorization.

116249640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 116249640 is about 10781.9126318107. The cubic root of 116249640 is about 488.0495000402.

The spelling of 116249640 in words is "one hundred sixteen million, two hundred forty-nine thousand, six hundred forty".