4021442244321 has 8 divisors (see below), whose sum is σ = 5476006460544. Its totient is φ = 2623919762160.

The previous prime is 4021442244311. The next prime is 4021442244341. The reversal of 4021442244321 is 1234422441204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4021442244321 - 2¹³ = 4021442236129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4021442244311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14260433350 + ... + 14260433631.

It is an arithmetic number, because the mean of its divisors is an integer number (684500807568).

Almost surely, 2^{4021442244321} is an apocalyptic number.

It is an amenable number.

4021442244321 is a deficient number, since it is larger than the sum of its proper divisors (1454564216223).

4021442244321 is a wasteful number, since it uses less digits than its factorization.

4021442244321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28520867031.

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

Adding to 4021442244321 its reverse (1234422441204), we get a palindrome (5255864685525).

The spelling of 4021442244321 in words is "four trillion, twenty-one billion, four hundred forty-two million, two hundred forty-four thousand, three hundred twenty-one".