40238403 has 16 divisors (see below), whose sum is σ = 56150016. Its totient is φ = 25600320.

The previous prime is 40238389. The next prime is 40238423. The reversal of 40238403 is 30483204.

It is not a de Polignac number, because 40238403 - 2⁹ = 40237891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40238423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3826 + ... + 9752.

It is an arithmetic number, because the mean of its divisors is an integer number (3509376).

Almost surely, 2^40238403 is an apocalyptic number.

40238403 is a deficient number, since it is larger than the sum of its proper divisors (15911613).

40238403 is a wasteful number, since it uses less digits than its factorization.

40238403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6034.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 40238403 is about 6343.3747327428. The cubic root of 40238403 is about 342.6732829441.

The spelling of 40238403 in words is "forty million, two hundred thirty-eight thousand, four hundred three".