40323203142 has 16 divisors (see below), whose sum is σ = 85390312752. Its totient is φ = 12650416640.

The previous prime is 40323203117. The next prime is 40323203233. The reversal of 40323203142 is 24130232304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197662659 + ... + 197662862.

It is an arithmetic number, because the mean of its divisors is an integer number (5336894547).

Almost surely, 2^40323203142 is an apocalyptic number.

40323203142 is an abundant number, since it is smaller than the sum of its proper divisors (45067109610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40323203142 is a wasteful number, since it uses less digits than its factorization.

40323203142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395325543.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40323203142 its reverse (24130232304), we get a palindrome (64453435446).

The spelling of 40323203142 in words is "forty billion, three hundred twenty-three million, two hundred three thousand, one hundred forty-two".