40220320142 has 16 divisors (see below), whose sum is σ = 62306496000. Its totient is φ = 19452110520.

The previous prime is 40220320099. The next prime is 40220320157. The reversal of 40220320142 is 24102302204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24392 + ... + 284667.

It is an arithmetic number, because the mean of its divisors is an integer number (3894156000).

Almost surely, 2^40220320142 is an apocalyptic number.

40220320142 is a deficient number, since it is larger than the sum of its proper divisors (22086175858).

40220320142 is a wasteful number, since it uses less digits than its factorization.

40220320142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311191.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40220320142 its reverse (24102302204), we get a palindrome (64322622346).

The spelling of 40220320142 in words is "forty billion, two hundred twenty million, three hundred twenty thousand, one hundred forty-two".