421040122044 has 24 divisors (see below), whose sum is σ = 996263952768. Its totient is φ = 138369992880.

The previous prime is 421040122039. The next prime is 421040122057. The reversal of 421040122044 is 440221040124.

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 7 ways as a sum of consecutive naturals, for example, 247088422 + ... + 247090125.

It is an arithmetic number, because the mean of its divisors is an integer number (41510998032).

Almost surely, 2^421040122044 is an apocalyptic number.

It is an amenable number.

421040122044 is an abundant number, since it is smaller than the sum of its proper divisors (575223830724).

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

421040122044 is a wasteful number, since it uses less digits than its factorization.

421040122044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494178625 (or 494178623 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 421040122044 its reverse (440221040124), we get a palindrome (861261162168).

The spelling of 421040122044 in words is "four hundred twenty-one billion, forty million, one hundred twenty-two thousand, forty-four".