404212421144 has 32 divisors (see below), whose sum is σ = 867686476800. Its totient is φ = 172930494240.

The previous prime is 404212421143. The next prime is 404212421149. The reversal of 404212421144 is 441124212404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404212421143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6288584 + ... + 6352535.

It is an arithmetic number, because the mean of its divisors is an integer number (27115202400).

Almost surely, 2^404212421144 is an apocalyptic number.

It is an amenable number.

404212421144 is an abundant number, since it is smaller than the sum of its proper divisors (463474055656).

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

404212421144 is a wasteful number, since it uses less digits than its factorization.

404212421144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12641703 (or 12641699 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 404212421144 its reverse (441124212404), we get a palindrome (845336633548).

The spelling of 404212421144 in words is "four hundred four billion, two hundred twelve million, four hundred twenty-one thousand, one hundred forty-four".