40038118 has 4 divisors (see below), whose sum is σ = 60057180. Its totient is φ = 20019058.

The previous prime is 40038109. The next prime is 40038133. The reversal of 40038118 is 81183004.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 40038092 and 40038101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10009528 + ... + 10009531.

It is an arithmetic number, because the mean of its divisors is an integer number (15014295).

Almost surely, 2^40038118 is an apocalyptic number.

40038118 is a deficient number, since it is larger than the sum of its proper divisors (20019062).

40038118 is a wasteful number, since it uses less digits than its factorization.

40038118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20019061.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 40038118 is about 6327.5680952480. The cubic root of 40038118 is about 342.1037896177.

It can be divided in two parts, 4003 and 8118, that added together give a palindrome (12121).

The spelling of 40038118 in words is "forty million, thirty-eight thousand, one hundred eighteen".