4021444420234 has 16 divisors (see below), whose sum is σ = 6353399717280. Its totient is φ = 1903769535600.

The previous prime is 4021444420229. The next prime is 4021444420249. The reversal of 4021444420234 is 4320244441204.

It is a super-2 number, since 2×4021444420234² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4021444420234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31190092 + ... + 31318759.

It is an arithmetic number, because the mean of its divisors is an integer number (397087482330).

Almost surely, 2^{4021444420234} is an apocalyptic number.

4021444420234 is a deficient number, since it is larger than the sum of its proper divisors (2331955297046).

4021444420234 is a wasteful number, since it uses less digits than its factorization.

4021444420234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62510565.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 4021444420234 its reverse (4320244441204), we get a palindrome (8341688861438).

The spelling of 4021444420234 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred twenty thousand, two hundred thirty-four".