4021334044004 has 48 divisors (see below), whose sum is σ = 7654864776048. Its totient is φ = 1840721522688.

The previous prime is 4021334043943. The next prime is 4021334044031. The reversal of 4021334044004 is 4004404331204.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 502340737600 + 3518993306404 = 708760^2 + 1875898^2 .

It is a super-2 number, since 2×4021334044004² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8662832 + ... + 9115224.

It is an arithmetic number, because the mean of its divisors is an integer number (159476349501).

Almost surely, 2^{4021334044004} is an apocalyptic number.

It is an amenable number.

4021334044004 is a deficient number, since it is larger than the sum of its proper divisors (3633530732044).

4021334044004 is a wasteful number, since it uses less digits than its factorization.

4021334044004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455984 (or 455982 counting only the distinct ones).

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

Adding to 4021334044004 its reverse (4004404331204), we get a palindrome (8025738375208).

The spelling of 4021334044004 in words is "four trillion, twenty-one billion, three hundred thirty-four million, forty-four thousand, four".