442424667 has 16 divisors (see below), whose sum is σ = 612802080. Its totient is φ = 283584000.

The previous prime is 442424659. The next prime is 442424669. The reversal of 442424667 is 766424244.

It is a happy number.

It is not a de Polignac number, because 442424667 - 2³ = 442424659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442424669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10417 + ... + 31517.

It is an arithmetic number, because the mean of its divisors is an integer number (38300130).

Almost surely, 2^442424667 is an apocalyptic number.

442424667 is a deficient number, since it is larger than the sum of its proper divisors (170377413).

442424667 is a wasteful number, since it uses less digits than its factorization.

442424667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21374.

The product of its digits is 258048, while the sum is 39.

The square root of 442424667 is about 21033.8932915426. The cubic root of 442424667 is about 761.9850387319.

The spelling of 442424667 in words is "four hundred forty-two million, four hundred twenty-four thousand, six hundred sixty-seven".