4445642340366 has 64 divisors (see below), whose sum is σ = 9025965603840. Its totient is φ = 1459493925120.

The previous prime is 4445642340263. The next prime is 4445642340401. The reversal of 4445642340366 is 6630432465444.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1429925220 + ... + 1429928328.

It is an arithmetic number, because the mean of its divisors is an integer number (141030712560).

Almost surely, 2^{4445642340366} is an apocalyptic number.

4445642340366 is an abundant number, since it is smaller than the sum of its proper divisors (4580323263474).

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

4445642340366 is a wasteful number, since it uses less digits than its factorization.

4445642340366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801.

The product of its (nonzero) digits is 19906560, while the sum is 51.

The spelling of 4445642340366 in words is "four trillion, four hundred forty-five billion, six hundred forty-two million, three hundred forty thousand, three hundred sixty-six".