40004203142 has 8 divisors (see below), whose sum is σ = 60556821600. Its totient is φ = 19818595944.

The previous prime is 40004203139. The next prime is 40004203189. The reversal of 40004203142 is 24130240004.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 91752542 + ... + 91752977.

It is an arithmetic number, because the mean of its divisors is an integer number (7569602700).

Almost surely, 2^40004203142 is an apocalyptic number.

40004203142 is a deficient number, since it is larger than the sum of its proper divisors (20552618458).

40004203142 is a wasteful number, since it uses less digits than its factorization.

40004203142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183505630.

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

Adding to 40004203142 its reverse (24130240004), we get a palindrome (64134443146).

The spelling of 40004203142 in words is "forty billion, four million, two hundred three thousand, one hundred forty-two".