40651732 has 12 divisors (see below), whose sum is σ = 77607936. Its totient is φ = 18478040.

The previous prime is 40651703. The next prime is 40651739. The reversal of 40651732 is 23715604.

40651732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40651732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40651739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461908 + ... + 461995.

It is an arithmetic number, because the mean of its divisors is an integer number (6467328).

Almost surely, 2^40651732 is an apocalyptic number.

It is an amenable number.

40651732 is a deficient number, since it is larger than the sum of its proper divisors (36956204).

40651732 is a wasteful number, since it uses less digits than its factorization.

40651732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923918 (or 923916 counting only the distinct ones).

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

The square root of 40651732 is about 6375.8710777430. The cubic root of 40651732 is about 343.8426019610.

The spelling of 40651732 in words is "forty million, six hundred fifty-one thousand, seven hundred thirty-two".