40032011 has 4 divisors (see below), whose sum is σ = 40963032. Its totient is φ = 39100992.

The previous prime is 40031987. The next prime is 40032023. The reversal of 40032011 is 11023004.

It is a happy number.

40032011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40032011 - 2¹⁴ = 40015627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40031983 and 40032001.

It is not an unprimeable number, because it can be changed into a prime (40032211) 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 3 ways as a sum of consecutive naturals, for example, 465446 + ... + 465531.

It is an arithmetic number, because the mean of its divisors is an integer number (10240758).

Almost surely, 2^40032011 is an apocalyptic number.

40032011 is a deficient number, since it is larger than the sum of its proper divisors (931021).

40032011 is an equidigital number, since it uses as much as digits as its factorization.

40032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931020.

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

The square root of 40032011 is about 6327.0855059814. The cubic root of 40032011 is about 342.0863950765.

Adding to 40032011 its reverse (11023004), we get a palindrome (51055015).

The spelling of 40032011 in words is "forty million, thirty-two thousand, eleven".