442113015044 has 12 divisors (see below), whose sum is σ = 773703136668. Its totient is φ = 221054976000.

The previous prime is 442113015037. The next prime is 442113015109. The reversal of 442113015044 is 440510311244.

It can be written as a sum of positive squares in 2 ways, for example, as 134212322500 + 307900692544 = 366350^2 + 554888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442113014998 and 442113015016.

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, 485444 + ... + 1058244.

It is an arithmetic number, because the mean of its divisors is an integer number (64475261389).

Almost surely, 2^442113015044 is an apocalyptic number.

It is an amenable number.

442113015044 is a deficient number, since it is larger than the sum of its proper divisors (331590121624).

442113015044 is a wasteful number, since it uses less digits than its factorization.

442113015044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765766 (or 765764 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 442113015044 its reverse (440510311244), we get a palindrome (882623326288).

The spelling of 442113015044 in words is "four hundred forty-two billion, one hundred thirteen million, fifteen thousand, forty-four".