544561632 has 72 divisors (see below), whose sum is σ = 1584647064. Its totient is φ = 177295104.

The previous prime is 544561613. The next prime is 544561643. The reversal of 544561632 is 236165445.

544561632 is a `hidden beast` number, since 5 + 4 + 4 + 5 + 616 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9603 + ... + 34370.

It is an arithmetic number, because the mean of its divisors is an integer number (22008987).

Almost surely, 2^544561632 is an apocalyptic number.

It is an amenable number.

544561632 is an abundant number, since it is smaller than the sum of its proper divisors (1040085432).

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

544561632 is a wasteful number, since it uses less digits than its factorization.

544561632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44032 (or 44021 counting only the distinct ones).

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

The square root of 544561632 is about 23335.8443601255. The cubic root of 544561632 is about 816.6118536769.

The spelling of 544561632 in words is "five hundred forty-four million, five hundred sixty-one thousand, six hundred thirty-two".