40001132 has 12 divisors (see below), whose sum is σ = 70139496. Its totient is φ = 19961280.

The previous prime is 40001111. The next prime is 40001161. The reversal of 40001132 is 23110004.

It is a happy number.

40001132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40001132² = 3200181122562848, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 7469 + ... + 11652.

It is an arithmetic number, because the mean of its divisors is an integer number (5844958).

Almost surely, 2^40001132 is an apocalyptic number.

It is an amenable number.

40001132 is a deficient number, since it is larger than the sum of its proper divisors (30138364).

40001132 is a wasteful number, since it uses less digits than its factorization.

40001132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19648 (or 19646 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 40001132 is about 6324.6448121614. The cubic root of 40001132 is about 341.9984154595.

Adding to 40001132 its reverse (23110004), we get a palindrome (63111136).

The spelling of 40001132 in words is "forty million, one thousand, one hundred thirty-two".