421041441 has 8 divisors (see below), whose sum is σ = 563194944. Its totient is φ = 279791120.

The previous prime is 421041421. The next prime is 421041451. The reversal of 421041441 is 144140124.

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

It is a cyclic number.

It is not a de Polignac number, because 421041441 - 2⁶ = 421041377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421041421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224706 + ... + 226571.

It is an arithmetic number, because the mean of its divisors is an integer number (70399368).

Almost surely, 2^421041441 is an apocalyptic number.

It is an amenable number.

421041441 is a deficient number, since it is larger than the sum of its proper divisors (142153503).

421041441 is a wasteful number, since it uses less digits than its factorization.

421041441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451591.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 421041441 is about 20519.2943592123. The cubic root of 421041441 is about 749.5057134237.

Adding to 421041441 its reverse (144140124), we get a palindrome (565181565).

The spelling of 421041441 in words is "four hundred twenty-one million, forty-one thousand, four hundred forty-one".