544421604 has 24 divisors (see below), whose sum is σ = 1275267168. Its totient is φ = 180766720.

The previous prime is 544421587. The next prime is 544421621. The reversal of 544421604 is 406124445.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (544421587) and next prime (544421621).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85182 + ... + 91349.

It is an arithmetic number, because the mean of its divisors is an integer number (53136132).

Almost surely, 2^544421604 is an apocalyptic number.

It is an amenable number.

544421604 is an abundant number, since it is smaller than the sum of its proper divisors (730845564).

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

544421604 is a wasteful number, since it uses less digits than its factorization.

544421604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176795 (or 176793 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 544421604 is about 23332.8438901048. The cubic root of 544421604 is about 816.5418534415.

The spelling of 544421604 in words is "five hundred forty-four million, four hundred twenty-one thousand, six hundred four".