421344441300 has 36 divisors (see below), whose sum is σ = 1219089917696. Its totient is φ = 112358517600.

The previous prime is 421344441289. The next prime is 421344441317. The reversal of 421344441300 is 3144443124.

It is a super-2 number, since 2×421344441300² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 11 ways as a sum of consecutive naturals, for example, 702240436 + ... + 702241035.

Almost surely, 2^421344441300 is an apocalyptic number.

It is an amenable number.

421344441300 is an abundant number, since it is smaller than the sum of its proper divisors (797745476396).

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

421344441300 is a wasteful number, since it uses less digits than its factorization.

421344441300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404481488 (or 1404481481 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 421344441300 its reverse (3144443124), we get a palindrome (424488884424).

The spelling of 421344441300 in words is "four hundred twenty-one billion, three hundred forty-four million, four hundred forty-one thousand, three hundred".