4021444340331 has 8 divisors (see below), whose sum is σ = 5849373585984. Its totient is φ = 2437238994120.

The previous prime is 4021444340311. The next prime is 4021444340357. The reversal of 4021444340331 is 1330434441204.

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

It is not a de Polignac number, because 4021444340331 - 2⁵ = 4021444340299 is a prime.

It is a super-2 number, since 2×4021444340331² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 121861949707 = 4021444340331 / (4 + 0 + 2 + 1 + 4 + 4 + 4 + 3 + 4 + 0 + 3 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 4021444340292 and 4021444340301.

It is not an unprimeable number, because it can be changed into a prime (4021444340311) 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, 60930974821 + ... + 60930974886.

It is an arithmetic number, because the mean of its divisors is an integer number (731171698248).

Almost surely, 2^{4021444340331} is an apocalyptic number.

4021444340331 is a deficient number, since it is larger than the sum of its proper divisors (1827929245653).

4021444340331 is a wasteful number, since it uses less digits than its factorization.

4021444340331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121861949721.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 4021444340331 its reverse (1330434441204), we get a palindrome (5351878781535).

The spelling of 4021444340331 in words is "four trillion, twenty-one billion, four hundred forty-four million, three hundred forty thousand, three hundred thirty-one".