40436132 has 24 divisors (see below), whose sum is σ = 81738720. Its totient is φ = 17298560.

The previous prime is 40436131. The next prime is 40436147. The reversal of 40436132 is 23163404.

It is a happy number.

It is a super-2 number, since 2×40436132² = 3270161542242848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40436098 and 40436107.

It is not an unprimeable number, because it can be changed into a prime (40436131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26282 + ... + 27777.

It is an arithmetic number, because the mean of its divisors is an integer number (3405780).

Almost surely, 2^40436132 is an apocalyptic number.

It is an amenable number.

40436132 is an abundant number, since it is smaller than the sum of its proper divisors (41302588).

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

40436132 is a wasteful number, since it uses less digits than its factorization.

40436132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54091 (or 54089 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 40436132 is about 6358.9411068196. The cubic root of 40436132 is about 343.2336577673.

Adding to 40436132 its reverse (23163404), we get a palindrome (63599536).

The spelling of 40436132 in words is "forty million, four hundred thirty-six thousand, one hundred thirty-two".