42021344001 has 80 divisors (see below), whose sum is σ = 70619080896. Its totient is φ = 22093239168.

The previous prime is 42021343993. The next prime is 42021344017. The reversal of 42021344001 is 10044312024.

It is not a de Polignac number, because 42021344001 - 2³ = 42021343993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (42021344021) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 41481571 + ... + 41482583.

Almost surely, 2^42021344001 is an apocalyptic number.

It is an amenable number.

42021344001 is a deficient number, since it is larger than the sum of its proper divisors (28597736895).

42021344001 is a wasteful number, since it uses less digits than its factorization.

42021344001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1479 counting only the distinct ones).

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

Adding to 42021344001 its reverse (10044312024), we get a palindrome (52065656025).

The spelling of 42021344001 in words is "forty-two billion, twenty-one million, three hundred forty-four thousand, one".