2044669132800 has 2040 divisors, whose sum is σ = 9062043420672. Its totient is φ = 445906944000.

The previous prime is 2044669132783. The next prime is 2044669132867. The reversal of 2044669132800 is 82319664402.

2044669132800 is a `hidden beast` number, since 20 + 4 + 466 + 91 + 3 + 2 + 80 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 28798156765 + ... + 28798156835.

Almost surely, 2^{2044669132800} is an apocalyptic number.

2044669132800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2044669132800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4531021710336).

2044669132800 is an abundant number, since it is smaller than the sum of its proper divisors (7017374287872).

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

2044669132800 is an frugal number, since it uses more digits than its factorization.

2044669132800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 2044669132800 in words is "two trillion, forty-four billion, six hundred sixty-nine million, one hundred thirty-two thousand, eight hundred".