4540404040403 has 12 divisors (see below), whose sum is σ = 5761848541752. Its totient is φ = 3537977173920.

The previous prime is 4540404040397. The next prime is 4540404040409. The reversal of 4540404040403 is 3040404040454.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4540404040397) and next prime (4540404040409).

It is not a de Polignac number, because 4540404040403 - 2³⁸ = 4265526133459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4540404040403.

It is not an unprimeable number, because it can be changed into a prime (4540404040409) 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 11 ways as a sum of consecutive naturals, for example, 4211877050 + ... + 4211878127.

It is an arithmetic number, because the mean of its divisors is an integer number (480154045146).

Almost surely, 2^{4540404040403} is an apocalyptic number.

4540404040403 is a deficient number, since it is larger than the sum of its proper divisors (1221444501349).

4540404040403 is a wasteful number, since it uses less digits than its factorization.

4540404040403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423755202 (or 8423755195 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 4540404040403 its reverse (3040404040454), we get a palindrome (7580808080857).

It can be divided in two parts, 4 and 540404040403, that multiplied together give a palindrome (2161616161612).

The spelling of 4540404040403 in words is "four trillion, five hundred forty billion, four hundred four million, forty thousand, four hundred three".