4021442301244 has 6 divisors (see below), whose sum is σ = 7037524027184. Its totient is φ = 2010721150620.

The previous prime is 4021442301241. The next prime is 4021442301251. The reversal of 4021442301244 is 4421032441204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021442301241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502680287652 + ... + 502680287659.

Almost surely, 2^{4021442301244} is an apocalyptic number.

It is an amenable number.

4021442301244 is a deficient number, since it is larger than the sum of its proper divisors (3016081725940).

4021442301244 is a wasteful number, since it uses less digits than its factorization.

4021442301244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005360575315 (or 1005360575313 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 4021442301244 its reverse (4421032441204), we get a palindrome (8442474742448).

The spelling of 4021442301244 in words is "four trillion, twenty-one billion, four hundred forty-two million, three hundred one thousand, two hundred forty-four".