544549420 has 24 divisors (see below), whose sum is σ = 1170149904. Its totient is φ = 212753856.

The previous prime is 544549399. The next prime is 544549427. The reversal of 544549420 is 24945445.

It is a self number, because there is not a number n which added to its sum of digits gives 544549420.

It is not an unprimeable number, because it can be changed into a prime (544549427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315739 + ... + 317458.

It is an arithmetic number, because the mean of its divisors is an integer number (48756246).

Almost surely, 2^544549420 is an apocalyptic number.

It is an amenable number.

544549420 is an abundant number, since it is smaller than the sum of its proper divisors (625600484).

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

544549420 is a wasteful number, since it uses less digits than its factorization.

544549420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633249 (or 633247 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 544549420 is about 23335.5827011026. The cubic root of 544549420 is about 816.6057493550.

The spelling of 544549420 in words is "five hundred forty-four million, five hundred forty-nine thousand, four hundred twenty".