4021444430234 has 16 divisors (see below), whose sum is σ = 7520623350336. Its totient is φ = 1566796531200.

The previous prime is 4021444430233. The next prime is 4021444430261. The reversal of 4021444430234 is 4320344441204.

It is a junction number, because it is equal to n+sod(n) for n = 4021444430194 and 4021444430203.

It is not an unprimeable number, because it can be changed into a prime (4021444430233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13056637607 + ... + 13056637914.

It is an arithmetic number, because the mean of its divisors is an integer number (470038959396).

Almost surely, 2^{4021444430234} is an apocalyptic number.

4021444430234 is a deficient number, since it is larger than the sum of its proper divisors (3499178920102).

4021444430234 is a wasteful number, since it uses less digits than its factorization.

4021444430234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26113275541.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 4021444430234 its reverse (4320344441204), we get a palindrome (8341788871438).

The spelling of 4021444430234 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred thirty thousand, two hundred thirty-four".