2044072447540 has 12 divisors (see below), whose sum is σ = 4292552139876. Its totient is φ = 817628979008.

The previous prime is 2044072447523. The next prime is 2044072447579. The reversal of 2044072447540 is 457442704402.

It can be written as a sum of positive squares in 2 ways, for example, as 1178952953616 + 865119493924 = 1085796^2 + 930118^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51101811169 + ... + 51101811208.

It is an arithmetic number, because the mean of its divisors is an integer number (357712678323).

Almost surely, 2^{2044072447540} is an apocalyptic number.

2044072447540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044072447540 is an abundant number, since it is smaller than the sum of its proper divisors (2248479692336).

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

2044072447540 is a wasteful number, since it uses less digits than its factorization.

2044072447540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102203622386 (or 102203622384 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 43.

The spelling of 2044072447540 in words is "two trillion, forty-four billion, seventy-two million, four hundred forty-seven thousand, five hundred forty".