2044355455012 has 72 divisors (see below), whose sum is σ = 4105712586024. Its totient is φ = 885242339328.

The previous prime is 2044355454989. The next prime is 2044355455049. The reversal of 2044355455012 is 2105545534402.

It can be written as a sum of positive squares in 12 ways, for example, as 379032310336 + 1665323144676 = 615656^2 + 1290474^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4549308 + ... + 4978444.

It is an arithmetic number, because the mean of its divisors is an integer number (57023785917).

Almost surely, 2^{2044355455012} is an apocalyptic number.

It is an amenable number.

2044355455012 is an abundant number, since it is smaller than the sum of its proper divisors (2061357131012).

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

2044355455012 is a wasteful number, since it uses less digits than its factorization.

2044355455012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429505 (or 429486 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 2044355455012 in words is "two trillion, forty-four billion, three hundred fifty-five million, four hundred fifty-five thousand, twelve".