544747140 has 192 divisors, whose sum is σ = 1948907520. Its totient is φ = 123742080.

The previous prime is 544747117. The next prime is 544747171. The reversal of 544747140 is 41747445.

It is a happy number.

544747140 is a `hidden beast` number, since 544 + 7 + 4 + 71 + 40 = 666.

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 = 544747095 and 544747104.

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 63 ways as a sum of consecutive naturals, for example, 797239 + ... + 797921.

It is an arithmetic number, because the mean of its divisors is an integer number (10150560).

Almost surely, 2^544747140 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 544747140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974453760).

544747140 is an abundant number, since it is smaller than the sum of its proper divisors (1404160380).

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

544747140 is a wasteful number, since it uses less digits than its factorization.

544747140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The square root of 544747140 is about 23339.8187653632. The cubic root of 544747140 is about 816.7045709650.

The spelling of 544747140 in words is "five hundred forty-four million, seven hundred forty-seven thousand, one hundred forty".