118223240 has 16 divisors (see below), whose sum is σ = 266002380. Its totient is φ = 47289280.

The previous prime is 118223201. The next prime is 118223249. The reversal of 118223240 is 42322811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 115906756 + 2316484 = 10766^2 + 1522^2 .

It is not an unprimeable number, because it can be changed into a prime (118223249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1477751 + ... + 1477830.

Almost surely, 2^118223240 is an apocalyptic number.

118223240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118223240 is an abundant number, since it is smaller than the sum of its proper divisors (147779140).

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

118223240 is a wasteful number, since it uses less digits than its factorization.

118223240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955592 (or 2955588 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 118223240 is about 10873.0510897356. The cubic root of 118223240 is about 490.7959298133.

The spelling of 118223240 in words is "one hundred eighteen million, two hundred twenty-three thousand, two hundred forty".