118290440 has 16 divisors (see below), whose sum is σ = 266153580. Its totient is φ = 47316160.

The previous prime is 118290439. The next prime is 118290503. The reversal of 118290440 is 44092811.

It can be written as a sum of positive squares in 2 ways, for example, as 97259044 + 21031396 = 9862^2 + 4586^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478591 + ... + 1478670.

Almost surely, 2^118290440 is an apocalyptic number.

118290440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118290440 is an abundant number, since it is smaller than the sum of its proper divisors (147863140).

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

118290440 is a wasteful number, since it uses less digits than its factorization.

118290440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957272 (or 2957268 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 118290440 is about 10876.1408596984. The cubic root of 118290440 is about 490.8889043119. Note that the first 3 decimals are identical.

The spelling of 118290440 in words is "one hundred eighteen million, two hundred ninety thousand, four hundred forty".