544225214426436 has 18 divisors (see below), whose sum is σ = 1375680403133582. Its totient is φ = 181408404808800.

The previous prime is 544225214426407. The next prime is 544225214426437. The reversal of 544225214426436 is 634624412522445.

544225214426436 is a `hidden beast` number, since 5 + 4 + 4 + 22 + 521 + 4 + 4 + 2 + 64 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 314743435820100 + 229481778606336 = 17741010^2 + 15148656^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (544225214426437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7558683533665 + ... + 7558683533736.

Almost surely, 2^{544225214426436} is an apocalyptic number.

It is an amenable number.

544225214426436 is an abundant number, since it is smaller than the sum of its proper divisors (831455188707146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

544225214426436 is a wasteful number, since it uses less digits than its factorization.

544225214426436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15117367067411 (or 15117367067406 counting only the distinct ones).

The product of its digits is 44236800, while the sum is 54.

The spelling of 544225214426436 in words is "five hundred forty-four trillion, two hundred twenty-five billion, two hundred fourteen million, four hundred twenty-six thousand, four hundred thirty-six".