544523616 has 288 divisors, whose sum is σ = 1937295360. Its totient is φ = 141253632.

The previous prime is 544523599. The next prime is 544523621. The reversal of 544523616 is 616325445.

544523616 is a `hidden beast` number, since 544 + 52 + 3 + 61 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2070301 + ... + 2070563.

It is an arithmetic number, because the mean of its divisors is an integer number (6726720).

Almost surely, 2^544523616 is an apocalyptic number.

544523616 is a gapful number since it is divisible by the number (56) 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 544523616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968647680).

544523616 is an abundant number, since it is smaller than the sum of its proper divisors (1392771744).

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

544523616 is a wasteful number, since it uses less digits than its factorization.

544523616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 367 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 544523616 is about 23335.0298049949. The cubic root of 544523616 is about 816.5928506006.

The spelling of 544523616 in words is "five hundred forty-four million, five hundred twenty-three thousand, six hundred sixteen".