426400600044 has 12 divisors (see below), whose sum is σ = 994934733464. Its totient is φ = 142133533344.

The previous prime is 426400600033. The next prime is 426400600111. The reversal of 426400600044 is 440006004624.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 426400599984 and 426400600020.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 17766691657 + ... + 17766691680.

Almost surely, 2^426400600044 is an apocalyptic number.

It is an amenable number.

426400600044 is an abundant number, since it is smaller than the sum of its proper divisors (568534133420).

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

426400600044 is a wasteful number, since it uses less digits than its factorization.

426400600044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35533383344 (or 35533383342 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 426400600044 its reverse (440006004624), we get a palindrome (866406604668).

The spelling of 426400600044 in words is "four hundred twenty-six billion, four hundred million, six hundred thousand, forty-four".