442204357 has 16 divisors (see below), whose sum is σ = 540120960. Its totient is φ = 353392128.

The previous prime is 442204349. The next prime is 442204379. The reversal of 442204357 is 753402244.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 442204357 - 2³ = 442204349 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 (442204327) by changing a digit.

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, 4632 + ... + 30097.

It is an arithmetic number, because the mean of its divisors is an integer number (33757560).

Almost surely, 2^442204357 is an apocalyptic number.

It is an amenable number.

442204357 is a deficient number, since it is larger than the sum of its proper divisors (97916603).

442204357 is a wasteful number, since it uses less digits than its factorization.

442204357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34860.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 442204357 is about 21028.6556156118. The cubic root of 442204357 is about 761.8585382533.

The spelling of 442204357 in words is "four hundred forty-two million, two hundred four thousand, three hundred fifty-seven".