441272643 has 16 divisors (see below), whose sum is σ = 673155840. Its totient is φ = 251878176.

The previous prime is 441272639. The next prime is 441272659. The reversal of 441272643 is 346272144.

It is not a de Polignac number, because 441272643 - 2² = 441272639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (441272633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8793 + ... + 30981.

It is an arithmetic number, because the mean of its divisors is an integer number (42072240).

Almost surely, 2^441272643 is an apocalyptic number.

441272643 is a deficient number, since it is larger than the sum of its proper divisors (231883197).

441272643 is a wasteful number, since it uses less digits than its factorization.

441272643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23146.

The product of its digits is 32256, while the sum is 33.

The square root of 441272643 is about 21006.4904969869. The cubic root of 441272643 is about 761.3230894472.

The spelling of 441272643 in words is "four hundred forty-one million, two hundred seventy-two thousand, six hundred forty-three".