544384542 has 64 divisors (see below), whose sum is σ = 1246129920. Its totient is φ = 157158144.

The previous prime is 544384513. The next prime is 544384543. The reversal of 544384542 is 245483445.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 544384542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544384543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156858 + ... + 160290.

It is an arithmetic number, because the mean of its divisors is an integer number (19470780).

Almost surely, 2^544384542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544384542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623064960).

544384542 is an abundant number, since it is smaller than the sum of its proper divisors (701745378).

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

544384542 is a wasteful number, since it uses less digits than its factorization.

544384542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577.

The product of its digits is 307200, while the sum is 39.

The square root of 544384542 is about 23332.0496742142. The cubic root of 544384542 is about 816.5233240759.

The spelling of 544384542 in words is "five hundred forty-four million, three hundred eighty-four thousand, five hundred forty-two".