42004414442 has 4 divisors (see below), whose sum is σ = 63006621666. Its totient is φ = 21002207220.

The previous prime is 42004414427. The next prime is 42004414477. The reversal of 42004414442 is 24441440024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41841111601 + 163302841 = 204551^2 + 12779^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10501103609 + ... + 10501103612.

Almost surely, 2^42004414442 is an apocalyptic number.

42004414442 is a deficient number, since it is larger than the sum of its proper divisors (21002207224).

42004414442 is a wasteful number, since it uses less digits than its factorization.

42004414442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21002207223.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 42004414442 its reverse (24441440024), we get a palindrome (66445854466).

The spelling of 42004414442 in words is "forty-two billion, four million, four hundred fourteen thousand, four hundred forty-two".