421232441 has 8 divisors (see below), whose sum is σ = 481542720. Its totient is φ = 360955728.

The previous prime is 421232437. The next prime is 421232459. The reversal of 421232441 is 144232124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421232441 - 2² = 421232437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421232041) 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, 30590 + ... + 42168.

It is an arithmetic number, because the mean of its divisors is an integer number (60192840).

Almost surely, 2^421232441 is an apocalyptic number.

It is an amenable number.

421232441 is a deficient number, since it is larger than the sum of its proper divisors (60310279).

421232441 is a wasteful number, since it uses less digits than its factorization.

421232441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16783.

The product of its digits is 1536, while the sum is 23.

The square root of 421232441 is about 20523.9479876558. The cubic root of 421232441 is about 749.6190308124.

Adding to 421232441 its reverse (144232124), we get a palindrome (565464565).

The spelling of 421232441 in words is "four hundred twenty-one million, two hundred thirty-two thousand, four hundred forty-one".