442254044041 has 4 divisors (see below), whose sum is σ = 453040728084. Its totient is φ = 431467360000.

The previous prime is 442254043991. The next prime is 442254044051. The reversal of 442254044041 is 140440452244.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 178340668416 + 263913375625 = 422304^2 + 513725^2 .

It is a cyclic number.

It is not a de Polignac number, because 442254044041 - 2²⁹ = 441717173129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442254043988 and 442254044006.

It is not an unprimeable number, because it can be changed into a prime (442254044051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5393341960 + ... + 5393342041.

It is an arithmetic number, because the mean of its divisors is an integer number (113260182021).

Almost surely, 2^442254044041 is an apocalyptic number.

442254044041 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

442254044041 is a deficient number, since it is larger than the sum of its proper divisors (10786684043).

442254044041 is a wasteful number, since it uses less digits than its factorization.

442254044041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10786684042.

The product of its (nonzero) digits is 81920, while the sum is 34.

Adding to 442254044041 its reverse (140440452244), we get a palindrome (582694496285).

The spelling of 442254044041 in words is "four hundred forty-two billion, two hundred fifty-four million, forty-four thousand, forty-one".