544440303440 has 60 divisors (see below), whose sum is σ = 1391359965492. Its totient is φ = 197978288640.

The previous prime is 544440303437. The next prime is 544440303457. The reversal of 544440303440 is 44303044445.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 185251046464 + 359189256976 = 430408^2 + 599324^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 544440303440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28112237 + ... + 28131596.

Almost surely, 2^544440303440 is an apocalyptic number.

It is an amenable number.

544440303440 is an abundant number, since it is smaller than the sum of its proper divisors (846919662052).

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

544440303440 is a wasteful number, since it uses less digits than its factorization.

544440303440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56243868 (or 56243851 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 544440303440 its reverse (44303044445), we get a palindrome (588743347885).

The spelling of 544440303440 in words is "five hundred forty-four billion, four hundred forty million, three hundred three thousand, four hundred forty".