442468137 has 8 divisors (see below), whose sum is σ = 590194080. Its totient is φ = 294860480.

The previous prime is 442468079. The next prime is 442468141. The reversal of 442468137 is 731864244.

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 442468137 - 2⁸ = 442467881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442468095 and 442468104.

It is not an unprimeable number, because it can be changed into a prime (442468157) 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, 20439 + ... + 36092.

It is an arithmetic number, because the mean of its divisors is an integer number (73774260).

Almost surely, 2^442468137 is an apocalyptic number.

It is an amenable number.

442468137 is a deficient number, since it is larger than the sum of its proper divisors (147725943).

442468137 is a wasteful number, since it uses less digits than its factorization.

442468137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59143.

The product of its digits is 129024, while the sum is 39.

The square root of 442468137 is about 21034.9265983982. The cubic root of 442468137 is about 762.0099939445.

The spelling of 442468137 in words is "four hundred forty-two million, four hundred sixty-eight thousand, one hundred thirty-seven".