64450556044112 has 60 divisors (see below), whose sum is σ = 145261451148660. Its totient is φ = 27621461887488.

The previous prime is 64450556044111. The next prime is 64450556044153. The reversal of 64450556044112 is 21144065505446.

64450556044112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17651056131856 + 46799499912256 = 4201316^2 + 6841016^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64450556044111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157308068 + ... + 157717244.

It is an arithmetic number, because the mean of its divisors is an integer number (2421024185811).

Almost surely, 2^{64450556044112} is an apocalyptic number.

It is an amenable number.

64450556044112 is an abundant number, since it is smaller than the sum of its proper divisors (80810895104548).

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

64450556044112 is a wasteful number, since it uses less digits than its factorization.

64450556044112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610108 (or 610095 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 47.

The spelling of 64450556044112 in words is "sixty-four trillion, four hundred fifty billion, five hundred fifty-six million, forty-four thousand, one hundred twelve".