4021442441292 has 24 divisors (see below), whose sum is σ = 9387773161200. Its totient is φ = 1339851175936.

The previous prime is 4021442441287. The next prime is 4021442441297. The reversal of 4021442441292 is 2921442441204.

It is an interprime number because it is at equal distance from previous prime (4021442441287) and next prime (4021442441297).

It is a self number, because there is not a number n which added to its sum of digits gives 4021442441292.

It is not an unprimeable number, because it can be changed into a prime (4021442441297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78678117 + ... + 78729212.

It is an arithmetic number, because the mean of its divisors is an integer number (391157215050).

Almost surely, 2^{4021442441292} is an apocalyptic number.

It is an amenable number.

4021442441292 is an abundant number, since it is smaller than the sum of its proper divisors (5366330719908).

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

4021442441292 is a wasteful number, since it uses less digits than its factorization.

4021442441292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157409465 (or 157409463 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

Adding to 4021442441292 its reverse (2921442441204), we get a palindrome (6942884882496).

The spelling of 4021442441292 in words is "four trillion, twenty-one billion, four hundred forty-two million, four hundred forty-one thousand, two hundred ninety-two".