442200530738 has 6 divisors (see below), whose sum is σ = 663302206749. Its totient is φ = 221099795156.

The previous prime is 442200530731. The next prime is 442200530749. The reversal of 442200530738 is 837035002244.

It can be written as a sum of positive squares in 2 ways, for example, as 422113988209 + 20086542529 = 649703^2 + 141727^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=470213.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442200530731) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 705320 + ... + 1175532.

Almost surely, 2^442200530738 is an apocalyptic number.

442200530738 is a deficient number, since it is larger than the sum of its proper divisors (221101676011).

442200530738 is an frugal number, since it uses more digits than its factorization.

442200530738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940428 (or 470215 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 442200530738 in words is "four hundred forty-two billion, two hundred million, five hundred thirty thousand, seven hundred thirty-eight".