118042438 has 8 divisors (see below), whose sum is σ = 178236720. Its totient is φ = 58630200.

The previous prime is 118042411. The next prime is 118042453. The reversal of 118042438 is 834240811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 195133 + ... + 195736.

It is an arithmetic number, because the mean of its divisors is an integer number (22279590).

Almost surely, 2^118042438 is an apocalyptic number.

118042438 is a deficient number, since it is larger than the sum of its proper divisors (60194282).

118042438 is a wasteful number, since it uses less digits than its factorization.

118042438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391022.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 118042438 is about 10864.7336828843. The cubic root of 118042438 is about 490.5456063290.

The spelling of 118042438 in words is "one hundred eighteen million, forty-two thousand, four hundred thirty-eight".