4021444441431 has 12 divisors (see below), whose sum is σ = 6061307564208. Its totient is φ = 2564399353824.

The previous prime is 4021444441411. The next prime is 4021444441481. The reversal of 4021444441431 is 1341444441204.

4021444441431 is a `hidden beast` number, since 4 + 0 + 2 + 144 + 44 + 41 + 431 = 666.

It is not a de Polignac number, because 4021444441431 - 2¹³ = 4021444433239 is a prime.

It is a super-2 number, since 2×4021444441431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021444441411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9713633710 + ... + 9713634123.

It is an arithmetic number, because the mean of its divisors is an integer number (505108963684).

Almost surely, 2^{4021444441431} is an apocalyptic number.

4021444441431 is a deficient number, since it is larger than the sum of its proper divisors (2039863122777).

4021444441431 is a wasteful number, since it uses less digits than its factorization.

4021444441431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19427267862 (or 19427267859 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 4021444441431 its reverse (1341444441204), we get a palindrome (5362888882635).

The spelling of 4021444441431 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-one thousand, four hundred thirty-one".