444320542 has 8 divisors (see below), whose sum is σ = 689463000. Its totient is φ = 214499544.

The previous prime is 444320537. The next prime is 444320557. The reversal of 444320542 is 245023444.

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

It is a self number, because there is not a number n which added to its sum of digits gives 444320542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3830292 + ... + 3830407.

It is an arithmetic number, because the mean of its divisors is an integer number (86182875).

Almost surely, 2^444320542 is an apocalyptic number.

444320542 is a deficient number, since it is larger than the sum of its proper divisors (245142458).

444320542 is a wasteful number, since it uses less digits than its factorization.

444320542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7660730.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 444320542 is about 21078.9122584634. The cubic root of 444320542 is about 763.0719053314.

Adding to 444320542 its reverse (245023444), we get a palindrome (689343986).

The spelling of 444320542 in words is "four hundred forty-four million, three hundred twenty thousand, five hundred forty-two".