442818818244 has 96 divisors (see below), whose sum is σ = 1270056775680. Its totient is φ = 132297530400.

The previous prime is 442818818237. The next prime is 442818818251.

442818818244 is a `hidden beast` number, since 4 + 428 + 188 + 18 + 24 + 4 = 666.

442818818244 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (442818818237) and next prime (442818818251).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2540604 + ... + 2709299.

It is an arithmetic number, because the mean of its divisors is an integer number (13229758080).

Almost surely, 2^442818818244 is an apocalyptic number.

442818818244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442818818244 is an abundant number, since it is smaller than the sum of its proper divisors (827237957436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442818818244 is a wasteful number, since it uses less digits than its factorization.

442818818244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249998 (or 5249990 counting only the distinct ones).

The product of its digits is 4194304, while the sum is 54.

The spelling of 442818818244 in words is "four hundred forty-two billion, eight hundred eighteen million, eight hundred eighteen thousand, two hundred forty-four".