544402450505 has 8 divisors (see below), whose sum is σ = 653287145352. Its totient is φ = 435519157248.

The previous prime is 544402450481. The next prime is 544402450523. The reversal of 544402450505 is 505054204445.

It can be written as a sum of positive squares in 4 ways, for example, as 14663030281 + 529739420224 = 121091^2 + 727832^2 .

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 544402450505 - 2¹⁶ = 544402384969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928427 + ... + 1396703.

It is an arithmetic number, because the mean of its divisors is an integer number (81660893169).

Almost surely, 2^544402450505 is an apocalyptic number.

It is an amenable number.

544402450505 is a deficient number, since it is larger than the sum of its proper divisors (108884694847).

544402450505 is a wasteful number, since it uses less digits than its factorization.

544402450505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700795.

The product of its (nonzero) digits is 320000, while the sum is 38.

The spelling of 544402450505 in words is "five hundred forty-four billion, four hundred two million, four hundred fifty thousand, five hundred five".