40000903 has 8 divisors (see below), whose sum is σ = 40697856. Its totient is φ = 39307800.

The previous prime is 40000897. The next prime is 40000921. The reversal of 40000903 is 30900004.

40000903 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 40000903 - 2²¹ = 37903751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000963) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26458 + ... + 27928.

It is an arithmetic number, because the mean of its divisors is an integer number (5087232).

Almost surely, 2^40000903 is an apocalyptic number.

40000903 is a deficient number, since it is larger than the sum of its proper divisors (696953).

40000903 is a wasteful number, since it uses less digits than its factorization.

40000903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 40000903 is about 6324.6267083520. The cubic root of 40000903 is about 341.9977628298.

Adding to 40000903 its reverse (30900004), we get a palindrome (70900907).

The spelling of 40000903 in words is "forty million, nine hundred three", and thus it is an aban number.