442401043 has 8 divisors (see below), whose sum is σ = 505769312. Its totient is φ = 379074816.

The previous prime is 442400983. The next prime is 442401053. The reversal of 442401043 is 340104244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442401043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442401053) 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 7 ways as a sum of consecutive naturals, for example, 16771 + ... + 34147.

It is an arithmetic number, because the mean of its divisors is an integer number (63221164).

Almost surely, 2^442401043 is an apocalyptic number.

442401043 is a deficient number, since it is larger than the sum of its proper divisors (63368269).

442401043 is a wasteful number, since it uses less digits than its factorization.

442401043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21021.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 442401043 is about 21033.3317142102. The cubic root of 442401043 is about 761.9714760049.

Adding to 442401043 its reverse (340104244), we get a palindrome (782505287).

The spelling of 442401043 in words is "four hundred forty-two million, four hundred one thousand, forty-three".