4243662663424 has 144 divisors (see below), whose sum is σ = 9067935864960. Its totient is φ = 1976071680000.

The previous prime is 4243662663419. The next prime is 4243662663437.

4243662663424 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750954999 + ... + 750960649.

It is an arithmetic number, because the mean of its divisors is an integer number (62971776840).

Almost surely, 2^{4243662663424} 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 4243662663424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4533967932480).

4243662663424 is an abundant number, since it is smaller than the sum of its proper divisors (4824273201536).

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

4243662663424 is a wasteful number, since it uses less digits than its factorization.

4243662663424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8278 (or 8264 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 52.

The spelling of 4243662663424 in words is "four trillion, two hundred forty-three billion, six hundred sixty-two million, six hundred sixty-three thousand, four hundred twenty-four".