40204632 has 32 divisors (see below), whose sum is σ = 108244080. Its totient is φ = 12370560.

The previous prime is 40204631. The next prime is 40204639. The reversal of 40204632 is 23640204.

40204632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40204599 and 40204608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204631) 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 7 ways as a sum of consecutive naturals, for example, 64119 + ... + 64742.

Almost surely, 2^40204632 is an apocalyptic number.

It is an amenable number.

40204632 is an abundant number, since it is smaller than the sum of its proper divisors (68039448).

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

40204632 is a wasteful number, since it uses less digits than its factorization.

40204632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128883 (or 128879 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40204632 is about 6340.7122628298. The cubic root of 40204632 is about 342.5773906492.

Adding to 40204632 its reverse (23640204), we get a palindrome (63844836).

The spelling of 40204632 in words is "forty million, two hundred four thousand, six hundred thirty-two".