42200123442 has 16 divisors (see below), whose sum is σ = 84419599680. Its totient is φ = 14063482352.

The previous prime is 42200123437. The next prime is 42200123461. The reversal of 42200123442 is 24432100224.

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, 777942 + ... + 830417.

It is an arithmetic number, because the mean of its divisors is an integer number (5276224980).

Almost surely, 2^42200123442 is an apocalyptic number.

42200123442 is an abundant number, since it is smaller than the sum of its proper divisors (42219476238).

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

42200123442 is a wasteful number, since it uses less digits than its factorization.

42200123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612737.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42200123442 its reverse (24432100224), we get a palindrome (66632223666).

The spelling of 42200123442 in words is "forty-two billion, two hundred million, one hundred twenty-three thousand, four hundred forty-two".