442242563203644 has 48 divisors (see below), whose sum is σ = 1179334152611328. Its totient is φ = 126352805479488.

The previous prime is 442242563203633. The next prime is 442242563203669. The reversal of 442242563203644 is 446302365242244.

It is a super-2 number, since 2×442242563203644² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41266807 + ... + 50866830.

It is an arithmetic number, because the mean of its divisors is an integer number (24569461512736).

Almost surely, 2^{442242563203644} is an apocalyptic number.

It is an amenable number.

442242563203644 is an abundant number, since it is smaller than the sum of its proper divisors (737091589407684).

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

442242563203644 is a wasteful number, since it uses less digits than its factorization.

442242563203644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92190794 (or 92190792 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 51.

The spelling of 442242563203644 in words is "four hundred forty-two trillion, two hundred forty-two billion, five hundred sixty-three million, two hundred three thousand, six hundred forty-four".