442468079 has 2 divisors, whose sum is σ = 442468080. Its totient is φ = 442468078.

The previous prime is 442468069. The next prime is 442468141. The reversal of 442468079 is 970864244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442468079 - 2⁴ = 442468063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442468049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221234039 + 221234040.

It is an arithmetic number, because the mean of its divisors is an integer number (221234040).

Almost surely, 2^442468079 is an apocalyptic number.

442468079 is a deficient number, since it is larger than the sum of its proper divisors (1).

442468079 is an equidigital number, since it uses as much as digits as its factorization.

442468079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 442468079 is about 21034.9252197387. The cubic root of 442468079 is about 762.0099606490.

It can be divided in two parts, 44246 and 8079, that added together give a palindrome (52325).

The spelling of 442468079 in words is "four hundred forty-two million, four hundred sixty-eight thousand, seventy-nine".