2044536666900 has 864 divisors, whose sum is σ = 7559703648000. Its totient is φ = 426204979200.

The previous prime is 2044536666877. The next prime is 2044536666929. The reversal of 2044536666900 is 96666354402.

It is a super-2 number, since 2×2044536666900² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1547718240 + ... + 1547719560.

It is an arithmetic number, because the mean of its divisors is an integer number (8749657000).

Almost surely, 2^{2044536666900} is an apocalyptic number.

2044536666900 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 2044536666900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3779851824000).

2044536666900 is an abundant number, since it is smaller than the sum of its proper divisors (5515166981100).

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

2044536666900 is a wasteful number, since it uses less digits than its factorization.

2044536666900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 2044536666900 in words is "two trillion, forty-four billion, five hundred thirty-six million, six hundred sixty-six thousand, nine hundred".