40322903 has 4 divisors (see below), whose sum is σ = 40471968. Its totient is φ = 40173840.

The previous prime is 40322873. The next prime is 40322917. The reversal of 40322903 is 30922304.

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

It is a cyclic number.

It is not a de Polignac number, because 40322903 - 2⁶ = 40322839 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 (40322993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74126 + ... + 74667.

It is an arithmetic number, because the mean of its divisors is an integer number (10117992).

Almost surely, 2^40322903 is an apocalyptic number.

40322903 is a deficient number, since it is larger than the sum of its proper divisors (149065).

40322903 is a wasteful number, since it uses less digits than its factorization.

40322903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149064.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 40322903 is about 6350.0317322042. The cubic root of 40322903 is about 342.9129846958.

The spelling of 40322903 in words is "forty million, three hundred twenty-two thousand, nine hundred three".