442274065536 has 64 divisors (see below), whose sum is σ = 1176355555200. Its totient is φ = 147228288000.

The previous prime is 442274065523. The next prime is 442274065559. The reversal of 442274065536 is 635560472244.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 478431 + ... + 1055198.

It is an arithmetic number, because the mean of its divisors is an integer number (18380555550).

Almost surely, 2^442274065536 is an apocalyptic number.

It is an amenable number.

442274065536 is an abundant number, since it is smaller than the sum of its proper divisors (734081489664).

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

442274065536 is a wasteful number, since it uses less digits than its factorization.

442274065536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534397 (or 1534385 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 48.

The spelling of 442274065536 in words is "four hundred forty-two billion, two hundred seventy-four million, sixty-five thousand, five hundred thirty-six".