442415427 has 8 divisors (see below), whose sum is σ = 594390720. Its totient is φ = 292691880.

The previous prime is 442415411. The next prime is 442415431. The reversal of 442415427 is 724514244.

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

It is not a de Polignac number, because 442415427 - 2⁴ = 442415411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442415527) 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, 562477 + ... + 563262.

It is an arithmetic number, because the mean of its divisors is an integer number (74298840).

Almost surely, 2^442415427 is an apocalyptic number.

442415427 is a deficient number, since it is larger than the sum of its proper divisors (151975293).

442415427 is a wasteful number, since it uses less digits than its factorization.

442415427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125873.

The product of its digits is 35840, while the sum is 33.

The square root of 442415427 is about 21033.6736448962. The cubic root of 442415427 is about 761.9797340316.

The spelling of 442415427 in words is "four hundred forty-two million, four hundred fifteen thousand, four hundred twenty-seven".