40111612 has 12 divisors (see below), whose sum is σ = 71907696. Its totient is φ = 19566560.

The previous prime is 40111601. The next prime is 40111639. The reversal of 40111612 is 21611104.

40111612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 122128 + ... + 122455.

It is an arithmetic number, because the mean of its divisors is an integer number (5992308).

Almost surely, 2^40111612 is an apocalyptic number.

It is an amenable number.

40111612 is a deficient number, since it is larger than the sum of its proper divisors (31796084).

40111612 is a wasteful number, since it uses less digits than its factorization.

40111612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244628 (or 244626 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 40111612 is about 6333.3728770695. The cubic root of 40111612 is about 342.3129836635.

Adding to 40111612 its reverse (21611104), we get a palindrome (61722716).

The spelling of 40111612 in words is "forty million, one hundred eleven thousand, six hundred twelve".