4021344304004 has 24 divisors (see below), whose sum is σ = 7110407451840. Its totient is φ = 1989904471776.

The previous prime is 4021344304001. The next prime is 4021344304037. The reversal of 4021344304004 is 4004034431204.

It is a happy number.

It is a super-2 number, since 2×4021344304004² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4021344304001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12991082 + ... + 13297025.

It is an arithmetic number, because the mean of its divisors is an integer number (296266977160).

Almost surely, 2^{4021344304004} is an apocalyptic number.

It is an amenable number.

4021344304004 is a deficient number, since it is larger than the sum of its proper divisors (3089063147836).

4021344304004 is a wasteful number, since it uses less digits than its factorization.

4021344304004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26288507 (or 26288505 counting only the distinct ones).

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

Adding to 4021344304004 its reverse (4004034431204), we get a palindrome (8025378735208).

The spelling of 4021344304004 in words is "four trillion, twenty-one billion, three hundred forty-four million, three hundred four thousand, four".