544003745820 has 96 divisors (see below), whose sum is σ = 1536164130816. Its totient is φ = 143838336000.

The previous prime is 544003745749. The next prime is 544003745827. The reversal of 544003745820 is 28547300445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544003745827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3950325 + ... + 4085715.

It is an arithmetic number, because the mean of its divisors is an integer number (16001709696).

Almost surely, 2^544003745820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544003745820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768082065408).

544003745820 is an abundant number, since it is smaller than the sum of its proper divisors (992160384996).

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

544003745820 is a wasteful number, since it uses less digits than its factorization.

544003745820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135971 (or 135969 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 544003745820 in words is "five hundred forty-four billion, three million, seven hundred forty-five thousand, eight hundred twenty".