42441663 has 16 divisors (see below), whose sum is σ = 61969536. Its totient is φ = 25623840.

The previous prime is 42441643. The next prime is 42441677. The reversal of 42441663 is 36614424.

It is not a de Polignac number, because 42441663 - 2¹⁶ = 42376127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42441663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42441613) 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 15 ways as a sum of consecutive naturals, for example, 6820 + ... + 11462.

It is an arithmetic number, because the mean of its divisors is an integer number (3873096).

Almost surely, 2^42441663 is an apocalyptic number.

42441663 is a deficient number, since it is larger than the sum of its proper divisors (19527873).

42441663 is a wasteful number, since it uses less digits than its factorization.

42441663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934.

The product of its digits is 13824, while the sum is 30.

The square root of 42441663 is about 6514.7266251164. The cubic root of 42441663 is about 348.8168566986.

The spelling of 42441663 in words is "forty-two million, four hundred forty-one thousand, six hundred sixty-three".