421143411344 has 20 divisors (see below), whose sum is σ = 818118314160. Its totient is φ = 210016104480.

The previous prime is 421143411343. The next prime is 421143411347. The reversal of 421143411344 is 443114341124.

It is a self number, because there is not a number n which added to its sum of digits gives 421143411344.

It is not an unprimeable number, because it can be changed into a prime (421143411343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34718822 + ... + 34730949.

It is an arithmetic number, because the mean of its divisors is an integer number (40905915708).

Almost surely, 2^421143411344 is an apocalyptic number.

It is an amenable number.

421143411344 is a deficient number, since it is larger than the sum of its proper divisors (396974902816).

421143411344 is a wasteful number, since it uses less digits than its factorization.

421143411344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69450158 (or 69450152 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

Adding to 421143411344 its reverse (443114341124), we get a palindrome (864257752468).

The spelling of 421143411344 in words is "four hundred twenty-one billion, one hundred forty-three million, four hundred eleven thousand, three hundred forty-four".