544345320 has 64 divisors (see below), whose sum is σ = 1635059520. Its totient is φ = 144978944.

The previous prime is 544345309. The next prime is 544345327. The reversal of 544345320 is 23543445.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (544345327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114919 + ... + 119561.

It is an arithmetic number, because the mean of its divisors is an integer number (25547805).

Almost surely, 2^544345320 is an apocalyptic number.

It is an amenable number.

544345320 is an abundant number, since it is smaller than the sum of its proper divisors (1090714200).

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

544345320 is a wasteful number, since it uses less digits than its factorization.

544345320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634 (or 5630 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 544345320 is about 23331.2091414054. The cubic root of 544345320 is about 816.5037138895.

Adding to 544345320 its reverse (23543445), we get a palindrome (567888765).

The spelling of 544345320 in words is "five hundred forty-four million, three hundred forty-five thousand, three hundred twenty".