40118741 has 12 divisors (see below), whose sum is σ = 43649892. Its totient is φ = 36855936.

The previous prime is 40118731. The next prime is 40118753. The reversal of 40118741 is 14781104.

It can be written as a sum of positive squares in 6 ways, for example, as 3818116 + 36300625 = 1954^2 + 6025^2 .

It is not a de Polignac number, because 40118741 - 2⁶ = 40118677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40118741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40118731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46385 + ... + 47241.

It is an arithmetic number, because the mean of its divisors is an integer number (3637491).

Almost surely, 2^40118741 is an apocalyptic number.

It is an amenable number.

40118741 is a deficient number, since it is larger than the sum of its proper divisors (3531151).

40118741 is a wasteful number, since it uses less digits than its factorization.

40118741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 40118741 is about 6333.9356643401. The cubic root of 40118741 is about 342.3332621197. Note that the first 3 decimals are identical.

Adding to 40118741 its reverse (14781104), we get a palindrome (54899845).

The spelling of 40118741 in words is "forty million, one hundred eighteen thousand, seven hundred forty-one".