42250422142 has 8 divisors (see below), whose sum is σ = 63380700432. Its totient is φ = 21123522000.

The previous prime is 42250422139. The next prime is 42250422143. The reversal of 42250422142 is 24122405224.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42250422142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42250422143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813034 + ... + 863437.

It is an arithmetic number, because the mean of its divisors is an integer number (7922587554).

Almost surely, 2^42250422142 is an apocalyptic number.

42250422142 is a deficient number, since it is larger than the sum of its proper divisors (21130278290).

42250422142 is a wasteful number, since it uses less digits than its factorization.

42250422142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689074.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 42250422142 its reverse (24122405224), we get a palindrome (66372827366).

The spelling of 42250422142 in words is "forty-two billion, two hundred fifty million, four hundred twenty-two thousand, one hundred forty-two".