442402367 has 16 divisors (see below), whose sum is σ = 491823360. Its totient is φ = 394584000.

The previous prime is 442402283. The next prime is 442402369. The reversal of 442402367 is 763204244.

It is a cyclic number.

It is not a de Polignac number, because 442402367 - 2¹⁶ = 442336831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442402369) 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, 136259 + ... + 139467.

It is an arithmetic number, because the mean of its divisors is an integer number (30738960).

Almost surely, 2^442402367 is an apocalyptic number.

442402367 is a deficient number, since it is larger than the sum of its proper divisors (49420993).

442402367 is a wasteful number, since it uses less digits than its factorization.

442402367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 442402367 is about 21033.3631880401. The cubic root of 442402367 is about 761.9722361366.

The spelling of 442402367 in words is "four hundred forty-two million, four hundred two thousand, three hundred sixty-seven".