40236132 has 24 divisors (see below), whose sum is σ = 96068896. Its totient is φ = 13099968.

The previous prime is 40236121. The next prime is 40236139. The reversal of 40236132 is 23163204.

It is a happy number.

40236132 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 = 40236099 and 40236108.

It is not an unprimeable number, because it can be changed into a prime (40236139) 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, 38473 + ... + 39504.

Almost surely, 2^40236132 is an apocalyptic number.

It is an amenable number.

40236132 is an abundant number, since it is smaller than the sum of its proper divisors (55832764).

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

40236132 is a wasteful number, since it uses less digits than its factorization.

40236132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78027 (or 78025 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 40236132 is about 6343.1957245540. The cubic root of 40236132 is about 342.6668361535. Note that the first 3 decimals are identical.

Adding to 40236132 its reverse (23163204), we get a palindrome (63399336).

The spelling of 40236132 in words is "forty million, two hundred thirty-six thousand, one hundred thirty-two".