442057065 has 16 divisors (see below), whose sum is σ = 707616000. Its totient is φ = 235655552.

The previous prime is 442057013. The next prime is 442057067. The reversal of 442057065 is 560750244.

It is a cyclic number.

It is not a de Polignac number, because 442057065 - 2¹⁸ = 441794921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442057067) 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, 35536 + ... + 46334.

It is an arithmetic number, because the mean of its divisors is an integer number (44226000).

Almost surely, 2^442057065 is an apocalyptic number.

It is an amenable number.

442057065 is a deficient number, since it is larger than the sum of its proper divisors (265558935).

442057065 is a wasteful number, since it uses less digits than its factorization.

442057065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13536.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 442057065 is about 21025.1531504529. The cubic root of 442057065 is about 761.7739407684.

The spelling of 442057065 in words is "four hundred forty-two million, fifty-seven thousand, sixty-five".