544123140 has 96 divisors (see below), whose sum is σ = 1749565440. Its totient is φ = 124963200.

The previous prime is 544123133. The next prime is 544123157. The reversal of 544123140 is 41321445.

It is a self number, because there is not a number n which added to its sum of digits gives 544123140.

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 31 ways as a sum of consecutive naturals, for example, 9156 + ... + 34235.

It is an arithmetic number, because the mean of its divisors is an integer number (18224640).

Almost surely, 2^544123140 is an apocalyptic number.

It is an amenable number.

544123140 is an abundant number, since it is smaller than the sum of its proper divisors (1205442300).

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

544123140 is a wasteful number, since it uses less digits than its factorization.

544123140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43433 (or 43431 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 544123140 is about 23326.4472219839. The cubic root of 544123140 is about 816.3926107131.

Adding to 544123140 its reverse (41321445), we get a palindrome (585444585).

The spelling of 544123140 in words is "five hundred forty-four million, one hundred twenty-three thousand, one hundred forty".