544447020 has 72 divisors (see below), whose sum is σ = 1650768336. Its totient is φ = 134015232.

The previous prime is 544447009. The next prime is 544447027. The reversal of 544447020 is 20744445.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (544447027) by changing a digit.

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, 16707 + ... + 36986.

It is an arithmetic number, because the mean of its divisors is an integer number (22927338).

Almost surely, 2^544447020 is an apocalyptic number.

It is an amenable number.

544447020 is an abundant number, since it is smaller than the sum of its proper divisors (1106321316).

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

544447020 is a wasteful number, since it uses less digits than its factorization.

544447020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53731 (or 53716 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 544447020 is about 23333.3885237443. The cubic root of 544447020 is about 816.5545598347.

The spelling of 544447020 in words is "five hundred forty-four million, four hundred forty-seven thousand, twenty".