42003134444 has 6 divisors (see below), whose sum is σ = 73505485284. Its totient is φ = 21001567220.

The previous prime is 42003134443. The next prime is 42003134471. The reversal of 42003134444 is 44443130024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42003134443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250391802 + ... + 5250391809.

It is an arithmetic number, because the mean of its divisors is an integer number (12250914214).

Almost surely, 2^42003134444 is an apocalyptic number.

It is an amenable number.

42003134444 is a deficient number, since it is larger than the sum of its proper divisors (31502350840).

42003134444 is a wasteful number, since it uses less digits than its factorization.

42003134444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10500783615 (or 10500783613 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42003134444 its reverse (44443130024), we get a palindrome (86446264468).

The spelling of 42003134444 in words is "forty-two billion, three million, one hundred thirty-four thousand, four hundred forty-four".