544940520 has 128 divisors (see below), whose sum is σ = 1750464000. Its totient is φ = 135302400.

The previous prime is 544940507. The next prime is 544940533. The reversal of 544940520 is 25049445.

It is an interprime number because it is at equal distance from previous prime (544940507) and next prime (544940533).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132495 + ... + 136545.

It is an arithmetic number, because the mean of its divisors is an integer number (13675500).

Almost surely, 2^544940520 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 544940520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875232000).

544940520 is an abundant number, since it is smaller than the sum of its proper divisors (1205523480).

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

544940520 is a wasteful number, since it uses less digits than its factorization.

544940520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143 (or 4139 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 544940520 is about 23343.9611034631. The cubic root of 544940520 is about 816.8012002900.

Adding to 544940520 its reverse (25049445), we get a palindrome (569989965).

The spelling of 544940520 in words is "five hundred forty-four million, nine hundred forty thousand, five hundred twenty".