4045544455403 has 32 divisors (see below), whose sum is σ = 4703534474688. Its totient is φ = 3438765158400.

The previous prime is 4045544455279. The next prime is 4045544455409. The reversal of 4045544455403 is 3045544455404.

It is not a de Polignac number, because 4045544455403 - 2¹⁰ = 4045544454379 is a prime.

It is a super-3 number, since 3×4045544455403³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4045544455409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250629713 + ... + 250645853.

It is an arithmetic number, because the mean of its divisors is an integer number (146985452334).

Almost surely, 2^{4045544455403} is an apocalyptic number.

4045544455403 is a deficient number, since it is larger than the sum of its proper divisors (657990019285).

4045544455403 is a wasteful number, since it uses less digits than its factorization.

4045544455403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24863.

The product of its (nonzero) digits is 7680000, while the sum is 47.

Subtracting from 4045544455403 its reverse (3045544455404), we obtain a palindrome (999999999999).

The spelling of 4045544455403 in words is "four trillion, forty-five billion, five hundred forty-four million, four hundred fifty-five thousand, four hundred three".