544783680 has 336 divisors, whose sum is σ = 2181538944. Its totient is φ = 122204160.

The previous prime is 544783669. The next prime is 544783693. The reversal of 544783680 is 86387445.

544783680 is a `hidden beast` number, since 544 + 78 + 36 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1229539 + ... + 1229981.

Almost surely, 2^544783680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544783680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090769472).

544783680 is an abundant number, since it is smaller than the sum of its proper divisors (1636755264).

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

544783680 is a wasteful number, since it uses less digits than its factorization.

544783680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 544783680 is about 23340.6015346649. The cubic root of 544783680 is about 816.7228312523.

The spelling of 544783680 in words is "five hundred forty-four million, seven hundred eighty-three thousand, six hundred eighty".