441066639 has 16 divisors (see below), whose sum is σ = 633864672. Its totient is φ = 271195008.

The previous prime is 441066631. The next prime is 441066673. The reversal of 441066639 is 936660144.

It is not a de Polignac number, because 441066639 - 2³ = 441066631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 441066597 and 441066606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441066631) 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, 49429 + ... + 57665.

It is an arithmetic number, because the mean of its divisors is an integer number (39616542).

Almost surely, 2^441066639 is an apocalyptic number.

441066639 is a deficient number, since it is larger than the sum of its proper divisors (192798033).

441066639 is a wasteful number, since it uses less digits than its factorization.

441066639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9626.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 441066639 is about 21001.5865829227. The cubic root of 441066639 is about 761.2045988222.

The spelling of 441066639 in words is "four hundred forty-one million, sixty-six thousand, six hundred thirty-nine".