442282644203644 has 12 divisors (see below), whose sum is σ = 774044087152000. Its totient is φ = 221127190731648.

The previous prime is 442282644203633. The next prime is 442282644203657. The reversal of 442282644203644 is 446302446282244.

It is a super-2 number, since 2×442282644203644² (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 3 ways as a sum of consecutive naturals, for example, 3532772124 + ... + 3532897315.

Almost surely, 2^{442282644203644} is an apocalyptic number.

It is an amenable number.

442282644203644 is a deficient number, since it is larger than the sum of its proper divisors (331761442948356).

442282644203644 is a wasteful number, since it uses less digits than its factorization.

442282644203644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7065685092 (or 7065685090 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 55.

The spelling of 442282644203644 in words is "four hundred forty-two trillion, two hundred eighty-two billion, six hundred forty-four million, two hundred three thousand, six hundred forty-four".