116540226 has 48 divisors (see below), whose sum is σ = 276363360. Its totient is φ = 35199360.

The previous prime is 116540197. The next prime is 116540231. The reversal of 116540226 is 622045611.

116540226 is a `hidden beast` number, since 1 + 1 + 654 + 0 + 2 + 2 + 6 = 666.

It is a super-2 number, since 2×116540226² = 27163248552262152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 116540226.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74266 + ... + 75818.

It is an arithmetic number, because the mean of its divisors is an integer number (5757570).

Almost surely, 2^116540226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116540226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138181680).

116540226 is an abundant number, since it is smaller than the sum of its proper divisors (159823134).

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

116540226 is a wasteful number, since it uses less digits than its factorization.

116540226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 116540226 is about 10795.3798451004. The cubic root of 116540226 is about 488.4558162740.

Adding to 116540226 its reverse (622045611), we get a palindrome (738585837).

The spelling of 116540226 in words is "one hundred sixteen million, five hundred forty thousand, two hundred twenty-six".