442616660536 has 32 divisors (see below), whose sum is σ = 866028414240. Its totient is φ = 211676623488.

The previous prime is 442616660503. The next prime is 442616660609. The reversal of 442616660536 is 635066616244.

It is a self number, because there is not a number n which added to its sum of digits gives 442616660536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5597950 + ... + 5676466.

It is an arithmetic number, because the mean of its divisors is an integer number (27063387945).

Almost surely, 2^442616660536 is an apocalyptic number.

442616660536 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

442616660536 is a deficient number, since it is larger than the sum of its proper divisors (423411753704).

442616660536 is a wasteful number, since it uses less digits than its factorization.

442616660536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109183 (or 109179 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 442616660536 in words is "four hundred forty-two billion, six hundred sixteen million, six hundred sixty thousand, five hundred thirty-six".