421343044 has 12 divisors (see below), whose sum is σ = 737537724. Its totient is φ = 210617984.

The previous prime is 421343033. The next prime is 421343047. The reversal of 421343044 is 440343124.

It can be written as a sum of positive squares in 2 ways, for example, as 287709444 + 133633600 = 16962^2 + 11560^2 .

It is not an unprimeable number, because it can be changed into a prime (421343047) 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, 8184 + ... + 30160.

It is an arithmetic number, because the mean of its divisors is an integer number (61461477).

Almost surely, 2^421343044 is an apocalyptic number.

It is an amenable number.

421343044 is a deficient number, since it is larger than the sum of its proper divisors (316194680).

421343044 is a wasteful number, since it uses less digits than its factorization.

421343044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26774 (or 26772 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 421343044 is about 20526.6422972682. The cubic root of 421343044 is about 749.6846342260.

Adding to 421343044 its reverse (440343124), we get a palindrome (861686168).

The spelling of 421343044 in words is "four hundred twenty-one million, three hundred forty-three thousand, forty-four".