442127572617 has 32 divisors (see below), whose sum is σ = 623236590720. Its totient is φ = 278021998080.

The previous prime is 442127572577. The next prime is 442127572699. The reversal of 442127572617 is 716275721244.

It is not a de Polignac number, because 442127572617 - 2⁸ = 442127572361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442127572717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22615867 + ... + 22635407.

It is an arithmetic number, because the mean of its divisors is an integer number (19476143460).

Almost surely, 2^442127572617 is an apocalyptic number.

It is an amenable number.

442127572617 is a deficient number, since it is larger than the sum of its proper divisors (181109018103).

442127572617 is a wasteful number, since it uses less digits than its factorization.

442127572617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21273.

The product of its digits is 1317120, while the sum is 48.

The spelling of 442127572617 in words is "four hundred forty-two billion, one hundred twenty-seven million, five hundred seventy-two thousand, six hundred seventeen".