421444444124 has 24 divisors (see below), whose sum is σ = 805425441408. Its totient is φ = 191363350640.

The previous prime is 421444444117. The next prime is 421444444129.

421444444124 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421444444129) by changing a digit.

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, 5015504 + ... + 5098839.

It is an arithmetic number, because the mean of its divisors is an integer number (33559393392).

Almost surely, 2^421444444124 is an apocalyptic number.

421444444124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421444444124 is a deficient number, since it is larger than the sum of its proper divisors (383980997284).

421444444124 is a wasteful number, since it uses less digits than its factorization.

421444444124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10115305 (or 10115303 counting only the distinct ones).

The product of its digits is 262144, while the sum is 38.

It can be divided in two parts, 421444 and 444124, that added together give a palindrome (865568).

The spelling of 421444444124 in words is "four hundred twenty-one billion, four hundred forty-four million, four hundred forty-four thousand, one hundred twenty-four".