40609003 has 4 divisors (see below), whose sum is σ = 40722480. Its totient is φ = 40495528.

The previous prime is 40608991. The next prime is 40609013. The reversal of 40609003 is 30090604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40609003 is a prime.

It is a super-2 number, since 2×40609003² = 3298182249308018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40609013) 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, 56200 + ... + 56917.

It is an arithmetic number, because the mean of its divisors is an integer number (10180620).

Almost surely, 2^40609003 is an apocalyptic number.

40609003 is a deficient number, since it is larger than the sum of its proper divisors (113477).

40609003 is a wasteful number, since it uses less digits than its factorization.

40609003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113476.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 40609003 is about 6372.5193605041. The cubic root of 40609003 is about 343.7220888412.

Adding to 40609003 its reverse (30090604), we get a palindrome (70699607).

The spelling of 40609003 in words is "forty million, six hundred nine thousand, three".