118555940 has 24 divisors (see below), whose sum is σ = 253051512. Its totient is φ = 46644480.

The previous prime is 118555939. The next prime is 118555963. The reversal of 118555940 is 49555811.

It can be written as a sum of positive squares in 4 ways, for example, as 4194304 + 114361636 = 2048^2 + 10694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 118555894 and 118555903.

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, 47369 + ... + 49808.

It is an arithmetic number, because the mean of its divisors is an integer number (10543813).

Almost surely, 2^118555940 is an apocalyptic number.

118555940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118555940 is an abundant number, since it is smaller than the sum of its proper divisors (134495572).

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

118555940 is a wasteful number, since it uses less digits than its factorization.

118555940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97247 (or 97245 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 38.

The square root of 118555940 is about 10888.3396346734. The cubic root of 118555940 is about 491.2558925972.

The spelling of 118555940 in words is "one hundred eighteen million, five hundred fifty-five thousand, nine hundred forty".