442065057 has 16 divisors (see below), whose sum is σ = 677918592. Its totient is φ = 250997760.

The previous prime is 442065031. The next prime is 442065073. The reversal of 442065057 is 750560244.

It is not a de Polignac number, because 442065057 - 2¹⁰ = 442064033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442065007) 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, 63744 + ... + 70337.

It is an arithmetic number, because the mean of its divisors is an integer number (42369912).

Almost surely, 2^442065057 is an apocalyptic number.

It is an amenable number.

442065057 is a deficient number, since it is larger than the sum of its proper divisors (235853535).

442065057 is a wasteful number, since it uses less digits than its factorization.

442065057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134248.

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

The square root of 442065057 is about 21025.3432076625. The cubic root of 442065057 is about 761.7785314733.

The spelling of 442065057 in words is "four hundred forty-two million, sixty-five thousand, fifty-seven".