442063307 has 8 divisors (see below), whose sum is σ = 505346016. Its totient is φ = 378813312.

The previous prime is 442063283. The next prime is 442063313. The reversal of 442063307 is 703360244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442063307 - 2¹⁶ = 441997771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442063307.

It is not an unprimeable number, because it can be changed into a prime (442063207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38753 + ... + 48845.

It is an arithmetic number, because the mean of its divisors is an integer number (63168252).

Almost surely, 2^442063307 is an apocalyptic number.

442063307 is a deficient number, since it is larger than the sum of its proper divisors (63282709).

442063307 is a wasteful number, since it uses less digits than its factorization.

442063307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16357.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 442063307 is about 21025.3015911782. The cubic root of 442063307 is about 761.7775262562. Note that the first 3 decimals are identical.

The spelling of 442063307 in words is "four hundred forty-two million, sixty-three thousand, three hundred seven".