544176640189 has 16 divisors (see below), whose sum is σ = 684005995008. Its totient is φ = 421396543872.

The previous prime is 544176640171. The next prime is 544176640211. The reversal of 544176640189 is 981046671445.

It is a cyclic number.

It is not a de Polignac number, because 544176640189 - 2²³ = 544168251581 is a prime.

It is a super-2 number, since 2×544176640189² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544176640109) 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 15 ways as a sum of consecutive naturals, for example, 63612352 + ... + 63620905.

It is an arithmetic number, because the mean of its divisors is an integer number (42750374688).

Almost surely, 2^544176640189 is an apocalyptic number.

It is an amenable number.

544176640189 is a deficient number, since it is larger than the sum of its proper divisors (139829354819).

544176640189 is a wasteful number, since it uses less digits than its factorization.

544176640189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127233324.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 544176640189 in words is "five hundred forty-four billion, one hundred seventy-six million, six hundred forty thousand, one hundred eighty-nine".