2044024444540 has 48 divisors (see below), whose sum is σ = 4622745441888. Its totient is φ = 754699486464.

The previous prime is 2044024444519. The next prime is 2044024444541. The reversal of 2044024444540 is 454444204402.

It is a self number, because there is not a number n which added to its sum of digits gives 2044024444540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044024444541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19669959 + ... + 19773601.

It is an arithmetic number, because the mean of its divisors is an integer number (96307196706).

Almost surely, 2^{2044024444540} is an apocalyptic number.

2044024444540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044024444540 is an abundant number, since it is smaller than the sum of its proper divisors (2578720997348).

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

2044024444540 is a wasteful number, since it uses less digits than its factorization.

2044024444540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179518 (or 179516 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 37.

Adding to 2044024444540 its reverse (454444204402), we get a palindrome (2498468648942).

The spelling of 2044024444540 in words is "two trillion, forty-four billion, twenty-four million, four hundred forty-four thousand, five hundred forty".