555440001444 has 18 divisors (see below), whose sum is σ = 1404028892630. Its totient is φ = 185146667136.

The previous prime is 555440001443. The next prime is 555440001449. The reversal of 555440001444 is 444100044555.

It can be written as a sum of positive squares in only one way, i.e., 523180249344 + 32259752100 = 723312^2 + 179610^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×555440001444² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 15428888929 = 555440001444 / (5 + 5 + 5 + 4 + 4 + 0 + 0 + 0 + 1 + 4 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 555440001399 and 555440001408.

It is not an unprimeable number, because it can be changed into a prime (555440001443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7714444429 + ... + 7714444500.

Almost surely, 2^555440001444 is an apocalyptic number.

It is an amenable number.

555440001444 is an abundant number, since it is smaller than the sum of its proper divisors (848588891186).

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

555440001444 is a wasteful number, since it uses less digits than its factorization.

555440001444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15428888939 (or 15428888934 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 555440001444 its reverse (444100044555), we get a palindrome (999540045999).

The spelling of 555440001444 in words is "five hundred fifty-five billion, four hundred forty million, one thousand, four hundred forty-four".