42021341004 has 12 divisors (see below), whose sum is σ = 98049795704. Its totient is φ = 14007113664.

The previous prime is 42021340993. The next prime is 42021341017. The reversal of 42021341004 is 40014312024.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750889197 + ... + 1750889220.

Almost surely, 2^42021341004 is an apocalyptic number.

It is an amenable number.

42021341004 is an abundant number, since it is smaller than the sum of its proper divisors (56028454700).

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

42021341004 is a wasteful number, since it uses less digits than its factorization.

42021341004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501778424 (or 3501778422 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42021341004 its reverse (40014312024), we get a palindrome (82035653028).

The spelling of 42021341004 in words is "forty-two billion, twenty-one million, three hundred forty-one thousand, four".