421461441 has 8 divisors (see below), whose sum is σ = 624387360. Its totient is φ = 280974276.

The previous prime is 421461431. The next prime is 421461449. The reversal of 421461441 is 144164124.

421461441 is a `hidden beast` number, since 4 + 2 + 1 + 4 + 614 + 41 = 666.

It is not a de Polignac number, because 421461441 - 2⁵ = 421461409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 15609683 = 421461441 / (4 + 2 + 1 + 4 + 6 + 1 + 4 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (421461449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7804815 + ... + 7804868.

It is an arithmetic number, because the mean of its divisors is an integer number (78048420).

Almost surely, 2^421461441 is an apocalyptic number.

It is an amenable number.

421461441 is a deficient number, since it is larger than the sum of its proper divisors (202925919).

421461441 is a wasteful number, since it uses less digits than its factorization.

421461441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15609692 (or 15609686 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 421461441 is about 20529.5260783097. The cubic root of 421461441 is about 749.7548478760.

The spelling of 421461441 in words is "four hundred twenty-one million, four hundred sixty-one thousand, four hundred forty-one".