544404423121 has 8 divisors (see below), whose sum is σ = 611772194880. Its totient is φ = 480678152592.

The previous prime is 544404423119. The next prime is 544404423139. The reversal of 544404423121 is 121324404445.

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

It is a cyclic number.

It is not a de Polignac number, because 544404423121 - 2¹ = 544404423119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544404423191) 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, 910374991 + ... + 910375588.

It is an arithmetic number, because the mean of its divisors is an integer number (76471524360).

Almost surely, 2^544404423121 is an apocalyptic number.

It is an amenable number.

544404423121 is a deficient number, since it is larger than the sum of its proper divisors (67367771759).

544404423121 is a wasteful number, since it uses less digits than its factorization.

544404423121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820750615.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 544404423121 its reverse (121324404445), we get a palindrome (665728827566).

The spelling of 544404423121 in words is "five hundred forty-four billion, four hundred four million, four hundred twenty-three thousand, one hundred twenty-one".