4244023423420 has 96 divisors (see below), whose sum is σ = 10164801507840. Its totient is φ = 1473358613760.

The previous prime is 4244023423411. The next prime is 4244023423447. The reversal of 4244023423420 is 243243204424.

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, 1844526 + ... + 3448234.

It is an arithmetic number, because the mean of its divisors is an integer number (105883349040).

Almost surely, 2^{4244023423420} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4244023423420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5082400753920).

4244023423420 is an abundant number, since it is smaller than the sum of its proper divisors (5920778084420).

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

4244023423420 is a wasteful number, since it uses less digits than its factorization.

4244023423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604275 (or 1604273 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 4244023423420 its reverse (243243204424), we get a palindrome (4487266627844).

The spelling of 4244023423420 in words is "four trillion, two hundred forty-four billion, twenty-three million, four hundred twenty-three thousand, four hundred twenty".