442024442399 has 4 divisors (see below), whose sum is σ = 442131500160. Its totient is φ = 441917384640.

The previous prime is 442024442381. The next prime is 442024442429. The reversal of 442024442399 is 993244420244.

It is a happy number.

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 442024442399 - 2⁸ = 442024442143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442024442309) 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, 53522687 + ... + 53530944.

It is an arithmetic number, because the mean of its divisors is an integer number (110532875040).

Almost surely, 2^442024442399 is an apocalyptic number.

442024442399 is a deficient number, since it is larger than the sum of its proper divisors (107057761).

442024442399 is a wasteful number, since it uses less digits than its factorization.

442024442399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107057760.

The product of its (nonzero) digits is 1990656, while the sum is 47.

The spelling of 442024442399 in words is "four hundred forty-two billion, twenty-four million, four hundred forty-two thousand, three hundred ninety-nine".