442542415 has 16 divisors (see below), whose sum is σ = 608132160. Its totient is φ = 302849280.

The previous prime is 442542413. The next prime is 442542427. The reversal of 442542415 is 514245244.

It is not a de Polignac number, because 442542415 - 2¹ = 442542413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442542413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5395 + ... + 30235.

It is an arithmetic number, because the mean of its divisors is an integer number (38008260).

Almost surely, 2^442542415 is an apocalyptic number.

442542415 is a deficient number, since it is larger than the sum of its proper divisors (165589745).

442542415 is a wasteful number, since it uses less digits than its factorization.

442542415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25362.

The product of its digits is 25600, while the sum is 31.

The square root of 442542415 is about 21036.6921116415. The cubic root of 442542415 is about 762.0526315995.

Adding to 442542415 its reverse (514245244), we get a palindrome (956787659).

The spelling of 442542415 in words is "four hundred forty-two million, five hundred forty-two thousand, four hundred fifteen".