544326623445 has 64 divisors (see below), whose sum is σ = 1008953625600. Its totient is φ = 247812848640.

The previous prime is 544326623441. The next prime is 544326623527.

544326623445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 544326623445 - 2² = 544326623441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 544326623394 and 544326623403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544326623441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 414015 + ... + 1122524.

It is an arithmetic number, because the mean of its divisors is an integer number (15764900400).

Almost surely, 2^544326623445 is an apocalyptic number.

544326623445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

544326623445 is a deficient number, since it is larger than the sum of its proper divisors (464627002155).

544326623445 is a wasteful number, since it uses less digits than its factorization.

544326623445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536690.

The product of its digits is 8294400, while the sum is 48.

The spelling of 544326623445 in words is "five hundred forty-four billion, three hundred twenty-six million, six hundred twenty-three thousand, four hundred forty-five".