439063442 has 4 divisors (see below), whose sum is σ = 658595166. Its totient is φ = 219531720.

The previous prime is 439063441. The next prime is 439063453. The reversal of 439063442 is 244360934.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 376321201 + 62742241 = 19399^2 + 7921^2 .

It is a super-2 number, since 2×439063442² = 385553412201774728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (439063441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109765859 + ... + 109765862.

Almost surely, 2^439063442 is an apocalyptic number.

439063442 is a deficient number, since it is larger than the sum of its proper divisors (219531724).

439063442 is a wasteful number, since it uses less digits than its factorization.

439063442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219531723.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 439063442 is about 20953.8407457917. The cubic root of 439063442 is about 760.0504594844.

The spelling of 439063442 in words is "four hundred thirty-nine million, sixty-three thousand, four hundred forty-two".