4442521305516 has 48 divisors (see below), whose sum is σ = 11861014045440. Its totient is φ = 1267760669760.

The previous prime is 4442521305449. The next prime is 4442521305517. The reversal of 4442521305516 is 6155031252444.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (4442521305517) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31828530 + ... + 31967801.

It is an arithmetic number, because the mean of its divisors is an integer number (247104459280).

Almost surely, 2^{4442521305516} is an apocalyptic number.

It is an amenable number.

4442521305516 is an abundant number, since it is smaller than the sum of its proper divisors (7418492739924).

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

4442521305516 is a wasteful number, since it uses less digits than its factorization.

4442521305516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63797174 (or 63797172 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 4442521305516 in words is "four trillion, four hundred forty-two billion, five hundred twenty-one million, three hundred five thousand, five hundred sixteen".