544402944 has 100 divisors (see below), whose sum is σ = 1625023224. Its totient is φ = 181453824.

The previous prime is 544402933. The next prime is 544402949. The reversal of 544402944 is 449204445.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 544402899 and 544402908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544402949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34909 + ... + 48035.

Almost surely, 2^544402944 is an apocalyptic number.

544402944 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544402944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812511612).

544402944 is an abundant number, since it is smaller than the sum of its proper divisors (1080620280).

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

544402944 is an equidigital number, since it uses as much as digits as its factorization.

544402944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13157 (or 13132 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 544402944 is about 23332.4440211479. Note that the first 3 decimals coincide. The cubic root of 544402944 is about 816.5325243695.

The spelling of 544402944 in words is "five hundred forty-four million, four hundred two thousand, nine hundred forty-four".