40630899 has 4 divisors (see below), whose sum is σ = 54174536. Its totient is φ = 27087264.

The previous prime is 40630883. The next prime is 40630927. The reversal of 40630899 is 99803604.

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

It is not a de Polignac number, because 40630899 - 2⁴ = 40630883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40630859) 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 3 ways as a sum of consecutive naturals, for example, 6771814 + ... + 6771819.

It is an arithmetic number, because the mean of its divisors is an integer number (13543634).

Almost surely, 2^40630899 is an apocalyptic number.

40630899 is a deficient number, since it is larger than the sum of its proper divisors (13543637).

40630899 is a wasteful number, since it uses less digits than its factorization.

40630899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13543636.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 40630899 is about 6374.2371308259. The cubic root of 40630899 is about 343.7838550017.

The spelling of 40630899 in words is "forty million, six hundred thirty thousand, eight hundred ninety-nine".