544354644 has 12 divisors (see below), whose sum is σ = 1270160864. Its totient is φ = 181451544.

The previous prime is 544354627. The next prime is 544354651. The reversal of 544354644 is 446453445.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22681432 + ... + 22681455.

Almost surely, 2^544354644 is an apocalyptic number.

It is an amenable number.

544354644 is an abundant number, since it is smaller than the sum of its proper divisors (725806220).

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

544354644 is a wasteful number, since it uses less digits than its factorization.

544354644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45362894 (or 45362892 counting only the distinct ones).

The product of its digits is 460800, while the sum is 39.

The square root of 544354644 is about 23331.4089587406. The cubic root of 544354644 is about 816.5083757814.

The spelling of 544354644 in words is "five hundred forty-four million, three hundred fifty-four thousand, six hundred forty-four".