40630772 has 24 divisors (see below), whose sum is σ = 87513216. Its totient is φ = 16073568.

The previous prime is 40630771. The next prime is 40630787. The reversal of 40630772 is 27703604.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55448 + ... + 56175.

It is an arithmetic number, because the mean of its divisors is an integer number (3646384).

Almost surely, 2^40630772 is an apocalyptic number.

It is an amenable number.

40630772 is an abundant number, since it is smaller than the sum of its proper divisors (46882444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40630772 is a wasteful number, since it uses less digits than its factorization.

40630772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111647 (or 111645 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 40630772 is about 6374.2271688417. The cubic root of 40630772 is about 343.7834968129.

The spelling of 40630772 in words is "forty million, six hundred thirty thousand, seven hundred seventy-two".