420041421444 has 24 divisors (see below), whose sum is σ = 980419029408. Its totient is φ = 139967752960.

The previous prime is 420041421383. The next prime is 420041421451. The reversal of 420041421444 is 444124140024.

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, 5718762 + ... + 5791745.

It is an arithmetic number, because the mean of its divisors is an integer number (40850792892).

Almost surely, 2^420041421444 is an apocalyptic number.

It is an amenable number.

420041421444 is an abundant number, since it is smaller than the sum of its proper divisors (560377607964).

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

420041421444 is a wasteful number, since it uses less digits than its factorization.

420041421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11513555 (or 11513553 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 420041421444 its reverse (444124140024), we get a palindrome (864165561468).

The spelling of 420041421444 in words is "four hundred twenty billion, forty-one million, four hundred twenty-one thousand, four hundred forty-four".