544565420 has 72 divisors (see below), whose sum is σ = 1408591296. Its totient is φ = 175719936.

The previous prime is 544565389. The next prime is 544565447. The reversal of 544565420 is 24565445.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 23 ways as a sum of consecutive naturals, for example, 317 + ... + 33003.

It is an arithmetic number, because the mean of its divisors is an integer number (19563768).

Almost surely, 2^544565420 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 544565420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704295648).

544565420 is an abundant number, since it is smaller than the sum of its proper divisors (864025876).

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

544565420 is a wasteful number, since it uses less digits than its factorization.

544565420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32727 (or 32718 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 544565420 is about 23335.9255226785. The cubic root of 544565420 is about 816.6137471378.

The spelling of 544565420 in words is "five hundred forty-four million, five hundred sixty-five thousand, four hundred twenty".