426244043128 has 8 divisors (see below), whose sum is σ = 799207580880. Its totient is φ = 213122021560.

The previous prime is 426244043111. The next prime is 426244043129. The reversal of 426244043128 is 821340442624.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426244043129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26640252688 + ... + 26640252703.

It is an arithmetic number, because the mean of its divisors is an integer number (99900947610).

Almost surely, 2^426244043128 is an apocalyptic number.

It is an amenable number.

426244043128 is a deficient number, since it is larger than the sum of its proper divisors (372963537752).

426244043128 is a wasteful number, since it uses less digits than its factorization.

426244043128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53280505397 (or 53280505393 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 426244043128 in words is "four hundred twenty-six billion, two hundred forty-four million, forty-three thousand, one hundred twenty-eight".