442398801 has 16 divisors (see below), whose sum is σ = 635959296. Its totient is φ = 271936896.

The previous prime is 442398787. The next prime is 442398821. The reversal of 442398801 is 108893244.

It is not a de Polignac number, because 442398801 - 2⁹ = 442398289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 442398801.

It is not an unprimeable number, because it can be changed into a prime (442398821) 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, 31216 + ... + 43118.

It is an arithmetic number, because the mean of its divisors is an integer number (39747456).

Almost surely, 2^442398801 is an apocalyptic number.

It is an amenable number.

442398801 is a deficient number, since it is larger than the sum of its proper divisors (193560495).

442398801 is a wasteful number, since it uses less digits than its factorization.

442398801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12872.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 442398801 is about 21033.2784177836. The cubic root of 442398801 is about 761.9701888297.

The spelling of 442398801 in words is "four hundred forty-two million, three hundred ninety-eight thousand, eight hundred one".