2544444331044 has 96 divisors (see below), whose sum is σ = 7403647297536. Its totient is φ = 660749326080.

The previous prime is 2544444331043. The next prime is 2544444331049. The reversal of 2544444331044 is 4401334444452.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2544444330987 and 2544444331005.

It is not an unprimeable number, because it can be changed into a prime (2544444331043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3934264 + ... + 4535120.

It is an arithmetic number, because the mean of its divisors is an integer number (77121326016).

Almost surely, 2^{2544444331044} is an apocalyptic number.

It is an amenable number.

2544444331044 is an abundant number, since it is smaller than the sum of its proper divisors (4859202966492).

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

2544444331044 is a wasteful number, since it uses less digits than its factorization.

2544444331044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605465 (or 605463 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 42.

Adding to 2544444331044 its reverse (4401334444452), we get a palindrome (6945778775496).

The spelling of 2544444331044 in words is "two trillion, five hundred forty-four billion, four hundred forty-four million, three hundred thirty-one thousand, forty-four".