544420992 has 64 divisors (see below), whose sum is σ = 1459497600. Its totient is φ = 179794944.

The previous prime is 544420991. The next prime is 544421047. The reversal of 544420992 is 299024445.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 544420992.

It is not an unprimeable number, because it can be changed into a prime (544420991) 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, 35353 + ... + 48359.

It is an arithmetic number, because the mean of its divisors is an integer number (22804650).

Almost surely, 2^544420992 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 544420992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729748800).

544420992 is an abundant number, since it is smaller than the sum of its proper divisors (915076608).

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

544420992 is a wasteful number, since it uses less digits than its factorization.

544420992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13133 (or 13121 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 544420992 is about 23332.8307755403. The cubic root of 544420992 is about 816.5415474753.

The spelling of 544420992 in words is "five hundred forty-four million, four hundred twenty thousand, nine hundred ninety-two".