64069045044 has 24 divisors (see below), whose sum is σ = 153534829728. Its totient is φ = 20779149600.

The previous prime is 64069044979. The next prime is 64069045067. The reversal of 64069045044 is 44054096046.

It is a junction number, because it is equal to n+sod(n) for n = 64069044987 and 64069045005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72149382 + ... + 72150269.

It is an arithmetic number, because the mean of its divisors is an integer number (6397284572).

Almost surely, 2^64069045044 is an apocalyptic number.

It is an amenable number.

64069045044 is an abundant number, since it is smaller than the sum of its proper divisors (89465784684).

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

64069045044 is a wasteful number, since it uses less digits than its factorization.

64069045044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144299695 (or 144299693 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 64069045044 in words is "sixty-four billion, sixty-nine million, forty-five thousand, forty-four".