544400340 has 96 divisors (see below), whose sum is σ = 1735243776. Its totient is φ = 126234240.

The previous prime is 544400327. The next prime is 544400341. The reversal of 544400340 is 43004445.

It is a self number, because there is not a number n which added to its sum of digits gives 544400340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544400341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2752 + ... + 33111.

It is an arithmetic number, because the mean of its divisors is an integer number (18075456).

Almost surely, 2^544400340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544400340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867621888).

544400340 is an abundant number, since it is smaller than the sum of its proper divisors (1190843436).

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

544400340 is a wasteful number, since it uses less digits than its factorization.

544400340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35909 (or 35907 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 544400340 is about 23332.3882189544. The cubic root of 544400340 is about 816.5312224821.

Adding to 544400340 its reverse (43004445), we get a palindrome (587404785).

The spelling of 544400340 in words is "five hundred forty-four million, four hundred thousand, three hundred forty".