442321533401 has 16 divisors (see below), whose sum is σ = 501960369600. Its totient is φ = 386075592000.

The previous prime is 442321533373. The next prime is 442321533413. The reversal of 442321533401 is 104335123244.

It is a cyclic number.

It is not a de Polignac number, because 442321533401 - 2²⁶ = 442254424537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442321533421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3816050 + ... + 3930251.

It is an arithmetic number, because the mean of its divisors is an integer number (31372523100).

Almost surely, 2^442321533401 is an apocalyptic number.

It is an amenable number.

442321533401 is a deficient number, since it is larger than the sum of its proper divisors (59638836199).

442321533401 is a wasteful number, since it uses less digits than its factorization.

442321533401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7746520.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 442321533401 its reverse (104335123244), we get a palindrome (546656656645).

The spelling of 442321533401 in words is "four hundred forty-two billion, three hundred twenty-one million, five hundred thirty-three thousand, four hundred one".