4021444440234 has 24 divisors (see below), whose sum is σ = 9383370361092. Its totient is φ = 1237367520000.

The previous prime is 4021444440157. The next prime is 4021444440263. The reversal of 4021444440234 is 4320444441204.

It is a happy number.

4021444440234 is a `hidden beast` number, since 4 + 0 + 214 + 4 + 4 + 4 + 402 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4017831829209 + 3612611025 = 2004453^2 + 60105^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8592829767 + ... + 8592830234.

Almost surely, 2^{4021444440234} is an apocalyptic number.

4021444440234 is an abundant number, since it is smaller than the sum of its proper divisors (5361925920858).

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

4021444440234 is a wasteful number, since it uses less digits than its factorization.

4021444440234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17185660022 (or 17185660019 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 4021444440234 its reverse (4320444441204), we get a palindrome (8341888881438).

The spelling of 4021444440234 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty thousand, two hundred thirty-four".