40216142 has 4 divisors (see below), whose sum is σ = 60324216. Its totient is φ = 20108070.

The previous prime is 40216133. The next prime is 40216157. The reversal of 40216142 is 24161204.

40216142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 as a sum of consecutive naturals, namely, 10054034 + ... + 10054037.

It is an arithmetic number, because the mean of its divisors is an integer number (15081054).

Almost surely, 2^40216142 is an apocalyptic number.

40216142 is a deficient number, since it is larger than the sum of its proper divisors (20108074).

40216142 is a wasteful number, since it uses less digits than its factorization.

40216142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20108073.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 40216142 is about 6341.6198246189. The cubic root of 40216142 is about 342.6100791675.

Adding to 40216142 its reverse (24161204), we get a palindrome (64377346).

The spelling of 40216142 in words is "forty million, two hundred sixteen thousand, one hundred forty-two".