420434403313044 has 48 divisors (see below), whose sum is σ = 984584572747776. Its totient is φ = 139634693462400.

The previous prime is 420434403313031. The next prime is 420434403313117. The reversal of 420434403313044 is 440313304434024.

It is a junction number, because it is equal to n+sod(n) for n = 420434403312993 and 420434403313011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110449714 + ... + 114192854.

It is an arithmetic number, because the mean of its divisors is an integer number (20512178598912).

Almost surely, 2^{420434403313044} is an apocalyptic number.

It is an amenable number.

420434403313044 is an abundant number, since it is smaller than the sum of its proper divisors (564150169434732).

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

420434403313044 is a wasteful number, since it uses less digits than its factorization.

420434403313044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777216 (or 3777214 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 420434403313044 its reverse (440313304434024), we get a palindrome (860747707747068).

The spelling of 420434403313044 in words is "four hundred twenty trillion, four hundred thirty-four billion, four hundred three million, three hundred thirteen thousand, forty-four".