442444345051 has 4 divisors (see below), whose sum is σ = 443558814832. Its totient is φ = 441329875272.

The previous prime is 442444345009. The next prime is 442444345061. The reversal of 442444345051 is 150543444244.

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

It is a cyclic number.

It is not a de Polignac number, because 442444345051 - 2⁹ = 442444344539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442444344995 and 442444345013.

It is not an unprimeable number, because it can be changed into a prime (442444345061) 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, 557234295 + ... + 557235088.

It is an arithmetic number, because the mean of its divisors is an integer number (110889703708).

Almost surely, 2^442444345051 is an apocalyptic number.

442444345051 is a deficient number, since it is larger than the sum of its proper divisors (1114469781).

442444345051 is a wasteful number, since it uses less digits than its factorization.

442444345051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114469780.

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 442444345051 its reverse (150543444244), we get a palindrome (592987789295).

The spelling of 442444345051 in words is "four hundred forty-two billion, four hundred forty-four million, three hundred forty-five thousand, fifty-one".