544247424 has 160 divisors (see below), whose sum is σ = 1851300000. Its totient is φ = 155478528.

The previous prime is 544247399. The next prime is 544247443. The reversal of 544247424 is 424742445.

544247424 is a `hidden beast` number, since 544 + 24 + 74 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68827 + ... + 76325.

It is an arithmetic number, because the mean of its divisors is an integer number (11570625).

Almost surely, 2^544247424 is an apocalyptic number.

544247424 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544247424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (925650000).

544247424 is an abundant number, since it is smaller than the sum of its proper divisors (1307052576).

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

544247424 is an equidigital number, since it uses as much as digits as its factorization.

544247424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532 (or 7511 counting only the distinct ones).

The product of its digits is 143360, while the sum is 36.

The square root of 544247424 is about 23329.1110846513. Note that the first 3 decimals coincide. The cubic root of 544247424 is about 816.4547638102.

Adding to 544247424 its reverse (424742445), we get a palindrome (968989869).

The spelling of 544247424 in words is "five hundred forty-four million, two hundred forty-seven thousand, four hundred twenty-four".