544185980 has 192 divisors, whose sum is σ = 1399120128. Its totient is φ = 175718400.

The previous prime is 544185959. The next prime is 544185991. The reversal of 544185980 is 89581445.

It is a super-2 number, since 2×544185980² = 592276761657120800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5387930 + ... + 5388030.

It is an arithmetic number, because the mean of its divisors is an integer number (7287084).

Almost surely, 2^544185980 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 544185980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699560064).

544185980 is an abundant number, since it is smaller than the sum of its proper divisors (854934148).

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

544185980 is a wasteful number, since it uses less digits than its factorization.

544185980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 544185980 is about 23327.7941520410. The cubic root of 544185980 is about 816.4240375067.

The spelling of 544185980 in words is "five hundred forty-four million, one hundred eighty-five thousand, nine hundred eighty".