4021444121244 has 48 divisors (see below), whose sum is σ = 10474459121280. Its totient is φ = 1190279442240.

The previous prime is 4021444121213. The next prime is 4021444121293. The reversal of 4021444121244 is 4421214441204.

4021444121244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 354244159 + ... + 354255510.

It is an arithmetic number, because the mean of its divisors is an integer number (218217898360).

Almost surely, 2^{4021444121244} is an apocalyptic number.

4021444121244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4021444121244 is an abundant number, since it is smaller than the sum of its proper divisors (6453015000036).

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

4021444121244 is a wasteful number, since it uses less digits than its factorization.

4021444121244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708499730 (or 708499728 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 33.

Adding to 4021444121244 its reverse (4421214441204), we get a palindrome (8442658562448).

The spelling of 4021444121244 in words is "four trillion, twenty-one billion, four hundred forty-four million, one hundred twenty-one thousand, two hundred forty-four".