544522420 has 24 divisors (see below), whose sum is σ = 1231458984. Its totient is φ = 201054336.

The previous prime is 544522399. The next prime is 544522423. The reversal of 544522420 is 24225445.

It can be written as a sum of positive squares in 4 ways, for example, as 56731024 + 487791396 = 7532^2 + 22086^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544522423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1046899 + ... + 1047418.

It is an arithmetic number, because the mean of its divisors is an integer number (51310791).

Almost surely, 2^544522420 is an apocalyptic number.

It is an amenable number.

544522420 is an abundant number, since it is smaller than the sum of its proper divisors (686936564).

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

544522420 is a wasteful number, since it uses less digits than its factorization.

544522420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094339 (or 2094337 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 544522420 is about 23335.0041782726. The cubic root of 544522420 is about 816.5922527412.

Adding to 544522420 its reverse (24225445), we get a palindrome (568747865).

The spelling of 544522420 in words is "five hundred forty-four million, five hundred twenty-two thousand, four hundred twenty".