544400650044 has 36 divisors (see below), whose sum is σ = 1384364143344. Its totient is φ = 180380253312.

The previous prime is 544400649973. The next prime is 544400650097. The reversal of 544400650044 is 440056004445.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 544400649990 and 544400650008.

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, 45270157 + ... + 45282180.

Almost surely, 2^544400650044 is an apocalyptic number.

It is an amenable number.

544400650044 is an abundant number, since it is smaller than the sum of its proper divisors (839963493300).

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

544400650044 is a wasteful number, since it uses less digits than its factorization.

544400650044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90552514 (or 90552509 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 544400650044 its reverse (440056004445), we get a palindrome (984456654489).

The spelling of 544400650044 in words is "five hundred forty-four billion, four hundred million, six hundred fifty thousand, forty-four".