40052111 has 8 divisors (see below), whose sum is σ = 43956864. Its totient is φ = 36191320.

The previous prime is 40052101. The next prime is 40052123. The reversal of 40052111 is 11125004.

40052111 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 de Polignac number, because none of the positive numbers 2^k-40052111 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 (40052101) 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, 9065 + ... + 12738.

It is an arithmetic number, because the mean of its divisors is an integer number (5494608).

Almost surely, 2^40052111 is an apocalyptic number.

40052111 is a deficient number, since it is larger than the sum of its proper divisors (3904753).

40052111 is a wasteful number, since it uses less digits than its factorization.

40052111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21981.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 40052111 is about 6328.6737157164. The cubic root of 40052111 is about 342.1436391494.

Adding to 40052111 its reverse (11125004), we get a palindrome (51177115).

It can be divided in two parts, 4005 and 2111, that added together give a palindrome (6116).

The spelling of 40052111 in words is "forty million, fifty-two thousand, one hundred eleven".