116438220 has 36 divisors (see below), whose sum is σ = 353196480. Its totient is φ = 31050144.

The previous prime is 116438209. The next prime is 116438239. The reversal of 116438220 is 22834611.

116438220 is a `hidden beast` number, since 1 + 1 + 6 + 438 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323260 + ... + 323619.

Almost surely, 2^116438220 is an apocalyptic number.

116438220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116438220 is an abundant number, since it is smaller than the sum of its proper divisors (236758260).

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

116438220 is a wasteful number, since it uses less digits than its factorization.

116438220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646894 (or 646889 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 116438220 is about 10790.6542897083. The cubic root of 116438220 is about 488.3132618675.

The spelling of 116438220 in words is "one hundred sixteen million, four hundred thirty-eight thousand, two hundred twenty".