40630003 has 4 divisors (see below), whose sum is σ = 40646880. Its totient is φ = 40613128.

The previous prime is 40629991. The next prime is 40630019. The reversal of 40630003 is 30003604.

It is a happy number.

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-40630003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40630103) 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, 4075 + ... + 9892.

It is an arithmetic number, because the mean of its divisors is an integer number (10161720).

Almost surely, 2^40630003 is an apocalyptic number.

40630003 is a deficient number, since it is larger than the sum of its proper divisors (16877).

40630003 is a wasteful number, since it uses less digits than its factorization.

40630003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16876.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 40630003 is about 6374.1668475182. The cubic root of 40630003 is about 343.7813279217.

Adding to 40630003 its reverse (30003604), we get a palindrome (70633607).

The spelling of 40630003 in words is "forty million, six hundred thirty thousand, three".