4021444343292 has 96 divisors (see below), whose sum is σ = 9661232835072. Its totient is φ = 1301341406976.

The previous prime is 4021444343281. The next prime is 4021444343317. The reversal of 4021444343292 is 2923434441204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81008583 + ... + 81058209.

It is an arithmetic number, because the mean of its divisors is an integer number (100637842032).

Almost surely, 2^{4021444343292} is an apocalyptic number.

It is an amenable number.

4021444343292 is an abundant number, since it is smaller than the sum of its proper divisors (5639788491780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021444343292 is a wasteful number, since it uses less digits than its factorization.

4021444343292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51027 (or 51025 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

Adding to 4021444343292 its reverse (2923434441204), we get a palindrome (6944878784496).

The spelling of 4021444343292 in words is "four trillion, twenty-one billion, four hundred forty-four million, three hundred forty-three thousand, two hundred ninety-two".