40326903 has 20 divisors (see below), whose sum is σ = 61715808. Its totient is φ = 26226720.

The previous prime is 40326901. The next prime is 40326919. The reversal of 40326903 is 30962304.

It is not a de Polignac number, because 40326903 - 2¹ = 40326901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40326901) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 2751 + ... + 9392.

Almost surely, 2^40326903 is an apocalyptic number.

40326903 is a deficient number, since it is larger than the sum of its proper divisors (21388905).

40326903 is a wasteful number, since it uses less digits than its factorization.

40326903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12196 (or 12187 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 40326903 is about 6350.3466834497. The cubic root of 40326903 is about 342.9243232196.

The spelling of 40326903 in words is "forty million, three hundred twenty-six thousand, nine hundred three".