442020404054 has 8 divisors (see below), whose sum is σ = 669865973448. Its totient is φ = 218731746240.

The previous prime is 442020404053. The next prime is 442020404101. The reversal of 442020404054 is 450404020244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×442020404054² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442020404053) 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, 1139227652 + ... + 1139228039.

It is an arithmetic number, because the mean of its divisors is an integer number (83733246681).

Almost surely, 2^442020404054 is an apocalyptic number.

442020404054 is a deficient number, since it is larger than the sum of its proper divisors (227845569394).

442020404054 is a wasteful number, since it uses less digits than its factorization.

442020404054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278455790.

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 442020404054 its reverse (450404020244), we get a palindrome (892424424298).

The spelling of 442020404054 in words is "four hundred forty-two billion, twenty million, four hundred four thousand, fifty-four".