544721127445 has 32 divisors (see below), whose sum is σ = 717485174784. Its totient is φ = 393725640000.

The previous prime is 544721127439. The next prime is 544721127451.

544721127445 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (544721127439) and next prime (544721127451).

It is not a de Polignac number, because 544721127445 - 2⁹ = 544721126933 is a prime.

It is a super-2 number, since 2×544721127445² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 544721127395 and 544721127404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6349104 + ... + 6434326.

It is an arithmetic number, because the mean of its divisors is an integer number (22421411712).

Almost surely, 2^544721127445 is an apocalyptic number.

544721127445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

544721127445 is the 426115-th octagonal number.

It is an amenable number.

544721127445 is a deficient number, since it is larger than the sum of its proper divisors (172764047339).

544721127445 is a wasteful number, since it uses less digits than its factorization.

544721127445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85953.

The product of its digits is 1254400, while the sum is 46.

The spelling of 544721127445 in words is "five hundred forty-four billion, seven hundred twenty-one million, one hundred twenty-seven thousand, four hundred forty-five".