40202052142 has 16 divisors (see below), whose sum is σ = 69748140672. Its totient is φ = 17021866680.

The previous prime is 40202052133. The next prime is 40202052157. The reversal of 40202052142 is 24125020204.

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, 17297484 + ... + 17299807.

It is an arithmetic number, because the mean of its divisors is an integer number (4359258792).

Almost surely, 2^40202052142 is an apocalyptic number.

40202052142 is a deficient number, since it is larger than the sum of its proper divisors (29546088530).

40202052142 is a wasteful number, since it uses less digits than its factorization.

40202052142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34597383.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 40202052142 its reverse (24125020204), we get a palindrome (64327072346).

The spelling of 40202052142 in words is "forty billion, two hundred two million, fifty-two thousand, one hundred forty-two".