541544544 has 36 divisors (see below), whose sum is σ = 1540018116. Its totient is φ = 180514752.

The previous prime is 541544461. The next prime is 541544551. The reversal of 541544544 is 445445145.

541544544 is a `hidden beast` number, since 54 + 154 + 454 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 541544499 and 541544508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 939894 + ... + 940469.

It is an arithmetic number, because the mean of its divisors is an integer number (42778281).

Almost surely, 2^541544544 is an apocalyptic number.

It is an amenable number.

541544544 is an abundant number, since it is smaller than the sum of its proper divisors (998473572).

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

541544544 is a wasteful number, since it uses less digits than its factorization.

541544544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880379 (or 1880368 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The square root of 541544544 is about 23271.1096426449. The cubic root of 541544544 is about 815.1009417423.

Adding to 541544544 its reverse (445445145), we get a palindrome (986989689).

The spelling of 541544544 in words is "five hundred forty-one million, five hundred forty-four thousand, five hundred forty-four".