544530440 has 32 divisors (see below), whose sum is σ = 1243486080. Its totient is φ = 214560192.

The previous prime is 544530431. The next prime is 544530449. The reversal of 544530440 is 44035445.

It is an interprime number because it is at equal distance from previous prime (544530431) and next prime (544530449).

It is not an unprimeable number, because it can be changed into a prime (544530449) 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, 98912 + ... + 104271.

It is an arithmetic number, because the mean of its divisors is an integer number (38858940).

Almost surely, 2^544530440 is an apocalyptic number.

It is an amenable number.

544530440 is an abundant number, since it is smaller than the sum of its proper divisors (698955640).

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

544530440 is a wasteful number, since it uses less digits than its factorization.

544530440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203261 (or 203257 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 544530440 is about 23335.1760224773. The cubic root of 544530440 is about 816.5962617819.

Adding to 544530440 its reverse (44035445), we get a palindrome (588565885).

The spelling of 544530440 in words is "five hundred forty-four million, five hundred thirty thousand, four hundred forty".