442287602561873 has 12 divisors (see below), whose sum is σ = 451094081422320. Its totient is φ = 433649938075536.

The previous prime is 442287602561807. The next prime is 442287602561879. The reversal of 442287602561873 is 378165206782244.

It is a de Polignac number, because none of the positive numbers 2^k-442287602561873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442287602561879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48920483 + ... + 57251976.

It is an arithmetic number, because the mean of its divisors is an integer number (37591173451860).

Almost surely, 2^{442287602561873} is an apocalyptic number.

It is an amenable number.

442287602561873 is a deficient number, since it is larger than the sum of its proper divisors (8806478860447).

442287602561873 is a wasteful number, since it uses less digits than its factorization.

442287602561873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106174048 (or 106173995 counting only the distinct ones).

The product of its (nonzero) digits is 216760320, while the sum is 65.

The spelling of 442287602561873 in words is "four hundred forty-two trillion, two hundred eighty-seven billion, six hundred two million, five hundred sixty-one thousand, eight hundred seventy-three".