42143400442 has 32 divisors (see below), whose sum is σ = 74288249280. Its totient is φ = 17677413120.

The previous prime is 42143400427. The next prime is 42143400463. The reversal of 42143400442 is 24400434124.

It is a self number, because there is not a number n which added to its sum of digits gives 42143400442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061298 + ... + 1100290.

It is an arithmetic number, because the mean of its divisors is an integer number (2321507790).

Almost surely, 2^42143400442 is an apocalyptic number.

42143400442 is a deficient number, since it is larger than the sum of its proper divisors (32144848838).

42143400442 is a wasteful number, since it uses less digits than its factorization.

42143400442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42798.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 42143400442 its reverse (24400434124), we get a palindrome (66543834566).

The spelling of 42143400442 in words is "forty-two billion, one hundred forty-three million, four hundred thousand, four hundred forty-two".