544444446 has 32 divisors (see below), whose sum is σ = 1340172288. Its totient is φ = 143589600.

The previous prime is 544444423. The next prime is 544444447. The reversal of 544444446 is 644444445.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544444447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498030 + ... + 499121.

It is an arithmetic number, because the mean of its divisors is an integer number (41880384).

Almost surely, 2^544444446 is an apocalyptic number.

544444446 is an abundant number, since it is smaller than the sum of its proper divisors (795727842).

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

544444446 is a wasteful number, since it uses less digits than its factorization.

544444446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997176.

The product of its digits is 491520, while the sum is 39.

The square root of 544444446 is about 23333.3333666667. Note that the first 4 decimals coincide. The cubic root of 544444446 is about 816.5532730154.

Subtracting 544444446 from its reverse (644444445), we obtain a palindrome (99999999).

The spelling of 544444446 in words is "five hundred forty-four million, four hundred forty-four thousand, four hundred forty-six".