442085619 has 16 divisors (see below), whose sum is σ = 602795520. Its totient is φ = 288066720.

The previous prime is 442085593. The next prime is 442085641. The reversal of 442085619 is 916580244.

It is not a de Polignac number, because 442085619 - 2¹⁶ = 442020083 is a prime.

It is a super-2 number, since 2×442085619² = 390879389053226322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442085669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135297 + ... + 138525.

It is an arithmetic number, because the mean of its divisors is an integer number (37674720).

Almost surely, 2^442085619 is an apocalyptic number.

442085619 is a deficient number, since it is larger than the sum of its proper divisors (160709901).

442085619 is a wasteful number, since it uses less digits than its factorization.

442085619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 442085619 is about 21025.8321832930. The cubic root of 442085619 is about 761.7903422895.

The spelling of 442085619 in words is "four hundred forty-two million, eighty-five thousand, six hundred nineteen".