442330413 has 16 divisors (see below), whose sum is σ = 695771136. Its totient is φ = 244606320.

The previous prime is 442330391. The next prime is 442330481. The reversal of 442330413 is 314033244.

It is not a de Polignac number, because 442330413 - 2⁵ = 442330381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442330313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339081 + ... + 340382.

It is an arithmetic number, because the mean of its divisors is an integer number (43485696).

Almost surely, 2^442330413 is an apocalyptic number.

It is an amenable number.

442330413 is a deficient number, since it is larger than the sum of its proper divisors (253440723).

442330413 is a wasteful number, since it uses less digits than its factorization.

442330413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679504.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 442330413 is about 21031.6526454770. The cubic root of 442330413 is about 761.9309238780.

Adding to 442330413 its reverse (314033244), we get a palindrome (756363657).

The spelling of 442330413 in words is "four hundred forty-two million, three hundred thirty thousand, four hundred thirteen".