420444202044 has 48 divisors (see below), whose sum is σ = 1024628169600. Its totient is φ = 134049082176.

The previous prime is 420444202021. The next prime is 420444202127. The reversal of 420444202044 is 440202444024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7998774 + ... + 8051165.

It is an arithmetic number, because the mean of its divisors is an integer number (21346420200).

Almost surely, 2^420444202044 is an apocalyptic number.

It is an amenable number.

420444202044 is an abundant number, since it is smaller than the sum of its proper divisors (604183967556).

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

420444202044 is a wasteful number, since it uses less digits than its factorization.

420444202044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16050042 (or 16050040 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 420444202044 its reverse (440202444024), we get a palindrome (860646646068).

The spelling of 420444202044 in words is "four hundred twenty billion, four hundred forty-four million, two hundred two thousand, forty-four".