421230544 has 40 divisors (see below), whose sum is σ = 952581888. Its totient is φ = 176684160.

The previous prime is 421230527. The next prime is 421230553. The reversal of 421230544 is 445032124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34747 + ... + 45274.

Almost surely, 2^421230544 is an apocalyptic number.

It is an amenable number.

421230544 is an abundant number, since it is smaller than the sum of its proper divisors (531351344).

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

421230544 is a wasteful number, since it uses less digits than its factorization.

421230544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80083 (or 80077 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 421230544 is about 20523.9017732984. The cubic root of 421230544 is about 749.6179055196.

Adding to 421230544 its reverse (445032124), we get a palindrome (866262668).

The spelling of 421230544 in words is "four hundred twenty-one million, two hundred thirty thousand, five hundred forty-four".