40216342 has 4 divisors (see below), whose sum is σ = 60324516. Its totient is φ = 20108170.

The previous prime is 40216333. The next prime is 40216381. The reversal of 40216342 is 24361204.

It is a happy number.

40216342 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 Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 10054084 + ... + 10054087.

It is an arithmetic number, because the mean of its divisors is an integer number (15081129).

Almost surely, 2^40216342 is an apocalyptic number.

40216342 is a deficient number, since it is larger than the sum of its proper divisors (20108174).

40216342 is a wasteful number, since it uses less digits than its factorization.

40216342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20108173.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40216342 is about 6341.6355934412. The cubic root of 40216342 is about 342.6106471144.

Adding to 40216342 its reverse (24361204), we get a palindrome (64577546).

The spelling of 40216342 in words is "forty million, two hundred sixteen thousand, three hundred forty-two".