66000044000044 has 48 divisors (see below), whose sum is σ = 144003156788736. Its totient is φ = 25713756288000.

The previous prime is 66000043999999. The next prime is 66000044000081. The reversal of 66000044000044 is 44000044000066.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 66000043999976 and 66000044000021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12389644 + ... + 16896844.

It is an arithmetic number, because the mean of its divisors is an integer number (3000065766432).

Almost surely, 2^{66000044000044} is an apocalyptic number.

It is an amenable number.

66000044000044 is an abundant number, since it is smaller than the sum of its proper divisors (78003112788692).

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

66000044000044 is a wasteful number, since it uses less digits than its factorization.

66000044000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554766 (or 4554764 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 66000044000044 in words is "sixty-six trillion, forty-four million, forty-four", and thus it is an aban number and an eban number.