40304132 has 18 divisors (see below), whose sum is σ = 77528094. Its totient is φ = 18319840.

The previous prime is 40304129. The next prime is 40304183. The reversal of 40304132 is 23140304.

40304132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34762816 + 5541316 = 5896^2 + 2354^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40304132.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 41153 + ... + 42120.

Almost surely, 2^40304132 is an apocalyptic number.

It is an amenable number.

40304132 is a deficient number, since it is larger than the sum of its proper divisors (37223962).

40304132 is a wasteful number, since it uses less digits than its factorization.

40304132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83299 (or 83286 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40304132 is about 6348.5535360427. The cubic root of 40304132 is about 342.8597658199.

Adding to 40304132 its reverse (23140304), we get a palindrome (63444436).

The spelling of 40304132 in words is "forty million, three hundred four thousand, one hundred thirty-two".