40088005 has 16 divisors (see below), whose sum is σ = 52387200. Its totient is φ = 29332800.

The previous prime is 40087987. The next prime is 40088029. The reversal of 40088005 is 50088004.

40088005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40088005 - 2⁹ = 40087493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4521 + ... + 10030.

It is an arithmetic number, because the mean of its divisors is an integer number (3274200).

Almost surely, 2^40088005 is an apocalyptic number.

It is an amenable number.

40088005 is a deficient number, since it is larger than the sum of its proper divisors (12299195).

40088005 is a wasteful number, since it uses less digits than its factorization.

40088005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14604.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 40088005 is about 6331.5089038870. The cubic root of 40088005 is about 342.2458163435.

Subtracting 40088005 from its reverse (50088004), we obtain a palindrome (9999999).

The spelling of 40088005 in words is "forty million, eighty-eight thousand, five".