40731652 has 24 divisors (see below), whose sum is σ = 78027992. Its totient is φ = 18489600.

The previous prime is 40731637. The next prime is 40731671. The reversal of 40731652 is 25613704.

It can be written as a sum of positive squares in 4 ways, for example, as 586756 + 40144896 = 766^2 + 6336^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40731652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3249 + ... + 9592.

Almost surely, 2^40731652 is an apocalyptic number.

It is an amenable number.

40731652 is a deficient number, since it is larger than the sum of its proper divisors (37296340).

40731652 is a wasteful number, since it uses less digits than its factorization.

40731652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12919 (or 12917 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 40731652 is about 6382.1353793225. The cubic root of 40731652 is about 344.0677822985.

The spelling of 40731652 in words is "forty million, seven hundred thirty-one thousand, six hundred fifty-two".