442645027208 has 32 divisors (see below), whose sum is σ = 839812484160. Its totient is φ = 218704238400.

The previous prime is 442645027151. The next prime is 442645027219. The reversal of 442645027208 is 802720546244.

It is a super-2 number, since 2×442645027208² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190343 + ... + 959958.

It is an arithmetic number, because the mean of its divisors is an integer number (26244140130).

Almost surely, 2^442645027208 is an apocalyptic number.

It is an amenable number.

442645027208 is a deficient number, since it is larger than the sum of its proper divisors (397167456952).

442645027208 is a wasteful number, since it uses less digits than its factorization.

442645027208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150877 (or 1150873 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 44.

The spelling of 442645027208 in words is "four hundred forty-two billion, six hundred forty-five million, twenty-seven thousand, two hundred eight".