442260307 has 8 divisors (see below), whose sum is σ = 461726496. Its totient is φ = 422813952.

The previous prime is 442260293. The next prime is 442260311. The reversal of 442260307 is 703062244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442260307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442260337) 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, 57493 + ... + 64729.

It is an arithmetic number, because the mean of its divisors is an integer number (57715812).

Almost surely, 2^442260307 is an apocalyptic number.

442260307 is a deficient number, since it is larger than the sum of its proper divisors (19466189).

442260307 is a wasteful number, since it uses less digits than its factorization.

442260307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9917.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 442260307 is about 21029.9859010889. The cubic root of 442260307 is about 761.8906683360.

The spelling of 442260307 in words is "four hundred forty-two million, two hundred sixty thousand, three hundred seven".