442541019 has 16 divisors (see below), whose sum is σ = 597749760. Its totient is φ = 291192000.

The previous prime is 442541009. The next prime is 442541023. The reversal of 442541019 is 910145244.

It is not a de Polignac number, because 442541019 - 2⁹ = 442540507 is a prime.

It is a super-2 number, since 2×442541019² = 391685106995116722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442541009) 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, 199414 + ... + 201620.

It is an arithmetic number, because the mean of its divisors is an integer number (37359360).

Almost surely, 2^442541019 is an apocalyptic number.

442541019 is a deficient number, since it is larger than the sum of its proper divisors (155208741).

442541019 is a wasteful number, since it uses less digits than its factorization.

442541019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 442541019 is about 21036.6589314939. The cubic root of 442541019 is about 762.0518303004.

The spelling of 442541019 in words is "four hundred forty-two million, five hundred forty-one thousand, nineteen".