544121440 has 48 divisors (see below), whose sum is σ = 1301006448. Its totient is φ = 215021056.

The previous prime is 544121437. The next prime is 544121443. The reversal of 544121440 is 44121445.

It is an interprime number because it is at equal distance from previous prime (544121437) and next prime (544121443).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544121443) 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 7 ways as a sum of consecutive naturals, for example, 7207 + ... + 33766.

It is an arithmetic number, because the mean of its divisors is an integer number (27104301).

Almost surely, 2^544121440 is an apocalyptic number.

It is an amenable number.

544121440 is an abundant number, since it is smaller than the sum of its proper divisors (756885008).

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

544121440 is a wasteful number, since it uses less digits than its factorization.

544121440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41071 (or 41063 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 544121440 is about 23326.4107826301. The cubic root of 544121440 is about 816.3917604957.

Adding to 544121440 its reverse (44121445), we get a palindrome (588242885).

The spelling of 544121440 in words is "five hundred forty-four million, one hundred twenty-one thousand, four hundred forty".