2044255452240 has 160 divisors (see below), whose sum is σ = 6710933687040. Its totient is φ = 512994189312.

The previous prime is 2044255452233. The next prime is 2044255452241. The reversal of 2044255452240 is 422545524402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044255452241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31746957 + ... + 31811283.

It is an arithmetic number, because the mean of its divisors is an integer number (41943335544).

Almost surely, 2^{2044255452240} is an apocalyptic number.

2044255452240 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 2044255452240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3355466843520).

2044255452240 is an abundant number, since it is smaller than the sum of its proper divisors (4666678234800).

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

2044255452240 is a wasteful number, since it uses less digits than its factorization.

2044255452240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72149 (or 72143 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 39.

It can be divided in two parts, 2044255 and 452240, that added together give a triangular number (2496495 = T₂₂₃₄).

The spelling of 2044255452240 in words is "two trillion, forty-four billion, two hundred fifty-five million, four hundred fifty-two thousand, two hundred forty".