4021444412304 has 80 divisors (see below), whose sum is σ = 11723960243520. Its totient is φ = 1176598151680.

The previous prime is 4021444412257. The next prime is 4021444412329. The reversal of 4021444412304 is 4032144441204.

It is a super-2 number, since 2×4021444412304² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 131301447 + ... + 131332070.

It is an arithmetic number, because the mean of its divisors is an integer number (146549503044).

Almost surely, 2^{4021444412304} is an apocalyptic number.

4021444412304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4021444412304 is an abundant number, since it is smaller than the sum of its proper divisors (7702515831216).

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

4021444412304 is a wasteful number, since it uses less digits than its factorization.

4021444412304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262633568 (or 262633562 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 4021444412304 its reverse (4032144441204), we get a palindrome (8053588853508).

The spelling of 4021444412304 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred twelve thousand, three hundred four".