540444344 has 32 divisors (see below), whose sum is σ = 1108598400. Its totient is φ = 244957920.

The previous prime is 540444343. The next prime is 540444347. The reversal of 540444344 is 443444045.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 540444344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540444343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23039 + ... + 40145.

It is an arithmetic number, because the mean of its divisors is an integer number (34643700).

Almost surely, 2^540444344 is an apocalyptic number.

It is an amenable number.

540444344 is an abundant number, since it is smaller than the sum of its proper divisors (568154056).

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

540444344 is a wasteful number, since it uses less digits than its factorization.

540444344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17483 (or 17479 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

The square root of 540444344 is about 23247.4588718853. The cubic root of 540444344 is about 814.5485821092.

Adding to 540444344 its reverse (443444045), we get a palindrome (983888389).

The spelling of 540444344 in words is "five hundred forty million, four hundred forty-four thousand, three hundred forty-four".