40630775 has 12 divisors (see below), whose sum is σ = 50754192. Its totient is φ = 32264640.

The previous prime is 40630771. The next prime is 40630787. The reversal of 40630775 is 57703604.

It is not a de Polignac number, because 40630775 - 2² = 40630771 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 (40630771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2507 + ... + 9356.

It is an arithmetic number, because the mean of its divisors is an integer number (4229516).

Almost surely, 2^40630775 is an apocalyptic number.

40630775 is a deficient number, since it is larger than the sum of its proper divisors (10123417).

40630775 is a wasteful number, since it uses less digits than its factorization.

40630775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12010 (or 12005 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 40630775 is about 6374.2274041644. The cubic root of 40630775 is about 343.7835052741.

The spelling of 40630775 in words is "forty million, six hundred thirty thousand, seven hundred seventy-five".