544320340 has 12 divisors (see below), whose sum is σ = 1143072756. Its totient is φ = 217728128.

The previous prime is 544320313. The next prime is 544320347. The reversal of 544320340 is 43023445.

It can be written as a sum of positive squares in 2 ways, for example, as 183548304 + 360772036 = 13548^2 + 18994^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544320347) 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 3 ways as a sum of consecutive naturals, for example, 13607989 + ... + 13608028.

It is an arithmetic number, because the mean of its divisors is an integer number (95256063).

Almost surely, 2^544320340 is an apocalyptic number.

It is an amenable number.

544320340 is an abundant number, since it is smaller than the sum of its proper divisors (598752416).

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

544320340 is a wasteful number, since it uses less digits than its factorization.

544320340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27216026 (or 27216024 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 544320340 is about 23330.6738008142. The cubic root of 544320340 is about 816.4912239167.

Adding to 544320340 its reverse (43023445), we get a palindrome (587343785).

The spelling of 544320340 in words is "five hundred forty-four million, three hundred twenty thousand, three hundred forty".