420420303140444 has 24 divisors (see below), whose sum is σ = 737054092973520. Its totient is φ = 209833431340544.

The previous prime is 420420303140393. The next prime is 420420303140503. The reversal of 420420303140444 is 444041303024024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142917452 + ... + 145829484.

It is an arithmetic number, because the mean of its divisors is an integer number (30710587207230).

Almost surely, 2^{420420303140444} is an apocalyptic number.

It is an amenable number.

420420303140444 is a deficient number, since it is larger than the sum of its proper divisors (316633789833076).

420420303140444 is a wasteful number, since it uses less digits than its factorization.

420420303140444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976709 (or 2976707 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 420420303140444 its reverse (444041303024024), we get a palindrome (864461606164468).

The spelling of 420420303140444 in words is "four hundred twenty trillion, four hundred twenty billion, three hundred three million, one hundred forty thousand, four hundred forty-four".