544540351644 has 96 divisors (see below), whose sum is σ = 1444921632000. Its totient is φ = 177253126848.

The previous prime is 544540351643. The next prime is 544540351651. The reversal of 544540351644 is 446153045445.

544540351644 is a `hidden beast` number, since 5 + 4 + 454 + 0 + 35 + 164 + 4 = 666.

544540351644 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 544540351644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544540351643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27245647 + ... + 27265625.

It is an arithmetic number, because the mean of its divisors is an integer number (15051267000).

Almost surely, 2^544540351644 is an apocalyptic number.

544540351644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544540351644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722460816000).

544540351644 is an abundant number, since it is smaller than the sum of its proper divisors (900381280356).

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

544540351644 is a wasteful number, since it uses less digits than its factorization.

544540351644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25904 (or 25896 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

The spelling of 544540351644 in words is "five hundred forty-four billion, five hundred forty million, three hundred fifty-one thousand, six hundred forty-four".