442042415 has 16 divisors (see below), whose sum is σ = 566818560. Its totient is φ = 329771520.

The previous prime is 442042409. The next prime is 442042421. The reversal of 442042415 is 514240244.

It is an interprime number because it is at equal distance from previous prime (442042409) and next prime (442042421).

It is not a de Polignac number, because 442042415 - 2⁴ = 442042399 is a prime.

It is a super-3 number, since 3×442042415³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14591 + ... + 33120.

It is an arithmetic number, because the mean of its divisors is an integer number (35426160).

Almost surely, 2^442042415 is an apocalyptic number.

442042415 is a deficient number, since it is larger than the sum of its proper divisors (124776145).

442042415 is a wasteful number, since it uses less digits than its factorization.

442042415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47842.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 442042415 is about 21024.8047553360. The cubic root of 442042415 is about 761.7655254812.

Adding to 442042415 its reverse (514240244), we get a palindrome (956282659).

The spelling of 442042415 in words is "four hundred forty-two million, forty-two thousand, four hundred fifteen".