4021442441331 has 32 divisors (see below), whose sum is σ = 6139113984000. Its totient is φ = 2293769020320.

The previous prime is 4021442441309. The next prime is 4021442441353. The reversal of 4021442441331 is 1331442441204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4021442441309) and next prime (4021442441353).

It is not a de Polignac number, because 4021442441331 - 2²² = 4021438247027 is a prime.

It is a super-2 number, since 2×4021442441331² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4021442441292 and 4021442441301.

It is not an unprimeable number, because it can be changed into a prime (4021442441371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39113850 + ... + 39216528.

It is an arithmetic number, because the mean of its divisors is an integer number (191847312000).

Almost surely, 2^{4021442441331} is an apocalyptic number.

4021442441331 is a deficient number, since it is larger than the sum of its proper divisors (2117671542669).

4021442441331 is a wasteful number, since it uses less digits than its factorization.

4021442441331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106079.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 4021442441331 its reverse (1331442441204), we get a palindrome (5352884882535).

The spelling of 4021442441331 in words is "four trillion, twenty-one billion, four hundred forty-two million, four hundred forty-one thousand, three hundred thirty-one".