40089003 has 4 divisors (see below), whose sum is σ = 53452008. Its totient is φ = 26726000.

The previous prime is 40088963. The next prime is 40089011. The reversal of 40089003 is 30098004.

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 40089003 - 2⁹ = 40088491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40089053) 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, 6681498 + ... + 6681503.

It is an arithmetic number, because the mean of its divisors is an integer number (13363002).

Almost surely, 2^40089003 is an apocalyptic number.

40089003 is a deficient number, since it is larger than the sum of its proper divisors (13363005).

40089003 is a wasteful number, since it uses less digits than its factorization.

40089003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13363004.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 40089003 is about 6331.5877155734. The cubic root of 40089003 is about 342.2486564157.

Subtracting from 40089003 its reverse (30098004), we obtain a palindrome (9990999).

The spelling of 40089003 in words is "forty million, eighty-nine thousand, three".