544444542 has 24 divisors (see below), whose sum is σ = 1180637640. Its totient is φ = 181326480.

The previous prime is 544444541. The next prime is 544444573. The reversal of 544444542 is 245444445.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 544444497 and 544444506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544444541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9817 + ... + 34427.

It is an arithmetic number, because the mean of its divisors is an integer number (49193235).

Almost surely, 2^544444542 is an apocalyptic number.

544444542 is an abundant number, since it is smaller than the sum of its proper divisors (636193098).

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

544444542 is a wasteful number, since it uses less digits than its factorization.

544444542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25848 (or 25845 counting only the distinct ones).

The product of its digits is 204800, while the sum is 36.

The square root of 544444542 is about 23333.3354238094. The cubic root of 544444542 is about 816.5533210087.

Adding to 544444542 its reverse (245444445), we get a palindrome (789888987).

The spelling of 544444542 in words is "five hundred forty-four million, four hundred forty-four thousand, five hundred forty-two".