442043000 has 64 divisors (see below), whose sum is σ = 1182168000. Its totient is φ = 151555200.

The previous prime is 442042933. The next prime is 442043009. The reversal of 442043000 is 340244.

It is a self number, because there is not a number n which added to its sum of digits gives 442043000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442043009) 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, 24575 + ... + 38574.

It is an arithmetic number, because the mean of its divisors is an integer number (18471375).

Almost surely, 2^442043000 is an apocalyptic number.

442043000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442043000 is an abundant number, since it is smaller than the sum of its proper divisors (740125000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442043000 is a wasteful number, since it uses less digits than its factorization.

442043000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63177 (or 63163 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 442043000 is about 21024.8186674701. The cubic root of 442043000 is about 761.7658615218.

Adding to 442043000 its reverse (340244), we get a palindrome (442383244).

The spelling of 442043000 in words is "four hundred forty-two million, forty-three thousand".