40555655503 has 8 divisors (see below), whose sum is σ = 44246172240. Its totient is φ = 36865745280.

The previous prime is 40555655501. The next prime is 40555655513. The reversal of 40555655503 is 30555655504.

40555655503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40555655503 - 2¹ = 40555655501 is a prime.

It is a super-2 number, since 2×40555655503² (a number of 22 digits) contains 22 as substring.

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 40555655503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40555655501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5700 + ... + 284857.

It is an arithmetic number, because the mean of its divisors is an integer number (5530771530).

Almost surely, 2^40555655503 is an apocalyptic number.

40555655503 is a deficient number, since it is larger than the sum of its proper divisors (3690516737).

40555655503 is a wasteful number, since it uses less digits than its factorization.

40555655503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303257.

The product of its (nonzero) digits is 1125000, while the sum is 43.

Subtracting from 40555655503 its reverse (30555655504), we obtain a palindrome (9999999999).

The spelling of 40555655503 in words is "forty billion, five hundred fifty-five million, six hundred fifty-five thousand, five hundred three".