4021444432412 has 48 divisors (see below), whose sum is σ = 7697206228992. Its totient is φ = 1823193852480.

The previous prime is 4021444432391. The next prime is 4021444432429. The reversal of 4021444432412 is 2142344441204.

It is a super-2 number, since 2×4021444432412² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48505058 + ... + 48587894.

It is an arithmetic number, because the mean of its divisors is an integer number (160358463104).

Almost surely, 2^{4021444432412} is an apocalyptic number.

It is an amenable number.

4021444432412 is a deficient number, since it is larger than the sum of its proper divisors (3675761796580).

4021444432412 is a wasteful number, since it uses less digits than its factorization.

4021444432412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85698 (or 85696 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 4021444432412 its reverse (2142344441204), we get a palindrome (6163788873616).

The spelling of 4021444432412 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred thirty-two thousand, four hundred twelve".