442115117 has 4 divisors (see below), whose sum is σ = 444097920. Its totient is φ = 440132316.

The previous prime is 442115101. The next prime is 442115137. The reversal of 442115117 is 711511244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442115117 - 2⁴ = 442115101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442115137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991067 + ... + 991512.

It is an arithmetic number, because the mean of its divisors is an integer number (111024480).

Almost surely, 2^442115117 is an apocalyptic number.

It is an amenable number.

442115117 is a deficient number, since it is larger than the sum of its proper divisors (1982803).

442115117 is a wasteful number, since it uses less digits than its factorization.

442115117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982802.

The product of its digits is 1120, while the sum is 26.

The square root of 442115117 is about 21026.5336420438. The cubic root of 442115117 is about 761.8072853059.

The spelling of 442115117 in words is "four hundred forty-two million, one hundred fifteen thousand, one hundred seventeen".