544656641 has 8 divisors (see below), whose sum is σ = 573537120. Its totient is φ = 515797632.

The previous prime is 544656631. The next prime is 544656647. The reversal of 544656641 is 146656445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544656641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544656647) 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, 95126 + ... + 100688.

It is an arithmetic number, because the mean of its divisors is an integer number (71692140).

Almost surely, 2^544656641 is an apocalyptic number.

It is an amenable number.

544656641 is a deficient number, since it is larger than the sum of its proper divisors (28880479).

544656641 is a wasteful number, since it uses less digits than its factorization.

544656641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10735.

The product of its digits is 345600, while the sum is 41.

The square root of 544656641 is about 23337.8799594136. The cubic root of 544656641 is about 816.6593420047.

The spelling of 544656641 in words is "five hundred forty-four million, six hundred fifty-six thousand, six hundred forty-one".