442205600654242 has 16 divisors (see below), whose sum is σ = 663459197793912. Its totient is φ = 221052539800960.

The previous prime is 442205600654123. The next prime is 442205600654249. The reversal of 442205600654242 is 242456006502244.

It can be written as a sum of positive squares in 4 ways, for example, as 251425389247201 + 190780211407041 = 15856399^2 + 13812321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442205600654192 and 442205600654201.

It is not an unprimeable number, because it can be changed into a prime (442205600654249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174282048 + ... + 176801140.

Almost surely, 2^{442205600654242} is an apocalyptic number.

442205600654242 is a deficient number, since it is larger than the sum of its proper divisors (221253597139670).

442205600654242 is a wasteful number, since it uses less digits than its factorization.

442205600654242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539013.

The product of its (nonzero) digits is 3686400, while the sum is 46.

The spelling of 442205600654242 in words is "four hundred forty-two trillion, two hundred five billion, six hundred million, six hundred fifty-four thousand, two hundred forty-two".