441642069 has 12 divisors (see below), whose sum is σ = 695920992. Its totient is φ = 267661800.

The previous prime is 441642053. The next prime is 441642077. The reversal of 441642069 is 960246144.

441642069 is a `hidden beast` number, since 4 + 4 + 1 + 642 + 0 + 6 + 9 = 666.

It is not a de Polignac number, because 441642069 - 2⁴ = 441642053 is a prime.

It is a super-2 number, since 2×441642069² = 390095434221201522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441642079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2230417 + ... + 2230614.

It is an arithmetic number, because the mean of its divisors is an integer number (57993416).

Almost surely, 2^441642069 is an apocalyptic number.

It is an amenable number.

441642069 is a deficient number, since it is larger than the sum of its proper divisors (254278923).

441642069 is a wasteful number, since it uses less digits than its factorization.

441642069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461048 (or 4461045 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 441642069 is about 21015.2817968259. The cubic root of 441642069 is about 761.5354857952.

The spelling of 441642069 in words is "four hundred forty-one million, six hundred forty-two thousand, sixty-nine".