442104257545 has 32 divisors (see below), whose sum is σ = 545328923040. Its totient is φ = 343943608320.

The previous prime is 442104257533. The next prime is 442104257557. The reversal of 442104257545 is 545752401244.

It is an interprime number because it is at equal distance from previous prime (442104257533) and next prime (442104257557).

It can be written as a sum of positive squares in 16 ways, for example, as 16453705984 + 425650551561 = 128272^2 + 652419^2 .

It is not a de Polignac number, because 442104257545 - 2¹¹ = 442104255497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17003455 + ... + 17029435.

It is an arithmetic number, because the mean of its divisors is an integer number (17041528845).

Almost surely, 2^442104257545 is an apocalyptic number.

It is an amenable number.

442104257545 is a deficient number, since it is larger than the sum of its proper divisors (103224665495).

442104257545 is a wasteful number, since it uses less digits than its factorization.

442104257545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26605.

The product of its (nonzero) digits is 896000, while the sum is 43.

Adding to 442104257545 its reverse (545752401244), we get a palindrome (987856658789).

The spelling of 442104257545 in words is "four hundred forty-two billion, one hundred four million, two hundred fifty-seven thousand, five hundred forty-five".