421344441332 has 24 divisors (see below), whose sum is σ = 801198263040. Its totient is φ = 193146007680.

The previous prime is 421344441317. The next prime is 421344441337. The reversal of 421344441332 is 233144443124.

It is a super-2 number, since 2×421344441332² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421344441292 and 421344441301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421344441337) 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, 89417093 + ... + 89421804.

It is an arithmetic number, because the mean of its divisors is an integer number (33383260960).

Almost surely, 2^421344441332 is an apocalyptic number.

It is an amenable number.

421344441332 is a deficient number, since it is larger than the sum of its proper divisors (379853821708).

421344441332 is a wasteful number, since it uses less digits than its factorization.

421344441332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178838951 (or 178838949 counting only the distinct ones).

The product of its digits is 110592, while the sum is 35.

Adding to 421344441332 its reverse (233144443124), we get a palindrome (654488884456).

The spelling of 421344441332 in words is "four hundred twenty-one billion, three hundred forty-four million, four hundred forty-one thousand, three hundred thirty-two".