544424004 has 36 divisors (see below), whose sum is σ = 1427155184. Its totient is φ = 181474344.

The previous prime is 544423993. The next prime is 544424009. The reversal of 544424004 is 400424445.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×544424004³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (544424009) 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, 279082 + ... + 281025.

Almost surely, 2^544424004 is an apocalyptic number.

544424004 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

544424004 is an abundant number, since it is smaller than the sum of its proper divisors (882731180).

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

544424004 is a wasteful number, since it uses less digits than its factorization.

544424004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560126 (or 560112 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 544424004 is about 23332.8953196983. The cubic root of 544424004 is about 816.5430533067.

Adding to 544424004 its reverse (400424445), we get a palindrome (944848449).

The spelling of 544424004 in words is "five hundred forty-four million, four hundred twenty-four thousand, four".