4021444431324 has 36 divisors (see below), whose sum is σ = 10168380935440. Its totient is φ = 1340077556160.

The previous prime is 4021444431281. The next prime is 4021444431353. The reversal of 4021444431324 is 4231344441204.

4021444431324 is a `hidden beast` number, since 4 + 0 + 214 + 4 + 4 + 431 + 3 + 2 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16708897 + ... + 16947864.

Almost surely, 2^{4021444431324} is an apocalyptic number.

It is an amenable number.

4021444431324 is an abundant number, since it is smaller than the sum of its proper divisors (6146936504116).

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

4021444431324 is a wasteful number, since it uses less digits than its factorization.

4021444431324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33660090 (or 33660085 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 4021444431324 its reverse (4231344441204), we get a palindrome (8252788872528).

The spelling of 4021444431324 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred thirty-one thousand, three hundred twenty-four".