544305220425 has 36 divisors (see below), whose sum is σ = 984961797820. Its totient is φ = 287303362560.

The previous prime is 544305220423. The next prime is 544305220429. The reversal of 544305220425 is 524022503445.

544305220425 is a `hidden beast` number, since 5 + 4 + 4 + 3 + 0 + 5 + 220 + 425 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 12238554384 + 532066666041 = 110628^2 + 729429^2 .

It is not a de Polignac number, because 544305220425 - 2¹ = 544305220423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 544305220425.

It is not an unprimeable number, because it can be changed into a prime (544305220423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12447940 + ... + 12491589.

Almost surely, 2^544305220425 is an apocalyptic number.

It is an amenable number.

544305220425 is a deficient number, since it is larger than the sum of its proper divisors (440656577395).

544305220425 is a wasteful number, since it uses less digits than its factorization.

544305220425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24939642 (or 24939634 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 544305220425 in words is "five hundred forty-four billion, three hundred five million, two hundred twenty thousand, four hundred twenty-five".