42431842942 has 16 divisors (see below), whose sum is σ = 67622045760. Its totient is φ = 19930706208.

The previous prime is 42431842931. The next prime is 42431842987. The reversal of 42431842942 is 24924813424.

It is a super-2 number, since 2×42431842942² (a number of 22 digits) contains 22 as substring.

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, 9884118 + ... + 9888409.

It is an arithmetic number, because the mean of its divisors is an integer number (4226377860).

Almost surely, 2^42431842942 is an apocalyptic number.

42431842942 is a deficient number, since it is larger than the sum of its proper divisors (25190202818).

42431842942 is a wasteful number, since it uses less digits than its factorization.

42431842942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19772595.

The product of its digits is 442368, while the sum is 43.

The spelling of 42431842942 in words is "forty-two billion, four hundred thirty-one million, eight hundred forty-two thousand, nine hundred forty-two".