40118743 has 8 divisors (see below), whose sum is σ = 47329280. Its totient is φ = 33278040.

The previous prime is 40118731. The next prime is 40118753. The reversal of 40118743 is 34781104.

40118743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40118743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40118713) 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 7 ways as a sum of consecutive naturals, for example, 92223 + ... + 92656.

It is an arithmetic number, because the mean of its divisors is an integer number (5916160).

Almost surely, 2^40118743 is an apocalyptic number.

40118743 is a deficient number, since it is larger than the sum of its proper divisors (7210537).

40118743 is a wasteful number, since it uses less digits than its factorization.

40118743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184917.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 40118743 is about 6333.9358222199. The cubic root of 40118743 is about 342.3332678083. Note that the first 3 decimals are identical.

Adding to 40118743 its reverse (34781104), we get a palindrome (74899847).

The spelling of 40118743 in words is "forty million, one hundred eighteen thousand, seven hundred forty-three".