421244442124 has 24 divisors (see below), whose sum is σ = 804210926400. Its totient is φ = 191470700880.

The previous prime is 421244442119. The next prime is 421244442137.

421244442124 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 421244442124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3260347 + ... + 3387085.

It is an arithmetic number, because the mean of its divisors is an integer number (33508788600).

Almost surely, 2^421244442124 is an apocalyptic number.

421244442124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421244442124 is a deficient number, since it is larger than the sum of its proper divisors (382966484276).

421244442124 is a wasteful number, since it uses less digits than its factorization.

421244442124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202293 (or 202291 counting only the distinct ones).

The product of its digits is 65536, while the sum is 34.

It can be divided in two parts, 421244 and 442124, that added together give a palindrome (863368).

The spelling of 421244442124 in words is "four hundred twenty-one billion, two hundred forty-four million, four hundred forty-two thousand, one hundred twenty-four".