4040323555 has 4 divisors (see below), whose sum is σ = 4848388272. Its totient is φ = 3232258840.

The previous prime is 4040323523. The next prime is 4040323577. The reversal of 4040323555 is 5553230404.

It is a happy number.

4040323555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4040323555 - 2⁵ = 4040323523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 404032351 + ... + 404032360.

It is an arithmetic number, because the mean of its divisors is an integer number (1212097068).

Almost surely, 2^4040323555 is an apocalyptic number.

4040323555 is a deficient number, since it is larger than the sum of its proper divisors (808064717).

4040323555 is an equidigital number, since it uses as much as digits as its factorization.

4040323555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808064716.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 4040323555 is about 63563.5395096906. The cubic root of 4040323555 is about 1592.7173652023.

Adding to 4040323555 its reverse (5553230404), we get a palindrome (9593553959).

The spelling of 4040323555 in words is "four billion, forty million, three hundred twenty-three thousand, five hundred fifty-five".