544189145798 has 16 divisors (see below), whose sum is σ = 816679500000. Its totient is φ = 271962686592.

The previous prime is 544189145749. The next prime is 544189145807. The reversal of 544189145798 is 897541981445.

It is a super-2 number, since 2×544189145798² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent 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, 56393678 + ... + 56403326.

It is an arithmetic number, because the mean of its divisors is an integer number (51042468750).

Almost surely, 2^544189145798 is an apocalyptic number.

544189145798 is a deficient number, since it is larger than the sum of its proper divisors (272490354202).

544189145798 is a wasteful number, since it uses less digits than its factorization.

544189145798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20399.

The product of its digits is 58060800, while the sum is 65.

The spelling of 544189145798 in words is "five hundred forty-four billion, one hundred eighty-nine million, one hundred forty-five thousand, seven hundred ninety-eight".