40023032011 has 4 divisors (see below), whose sum is σ = 42129507400. Its totient is φ = 37916556624.

The previous prime is 40023032009. The next prime is 40023032069. The reversal of 40023032011 is 11023032004.

It is a happy number.

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 40023032011 - 2¹ = 40023032009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40023032111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053237666 + ... + 1053237703.

It is an arithmetic number, because the mean of its divisors is an integer number (10532376850).

Almost surely, 2^40023032011 is an apocalyptic number.

40023032011 is a deficient number, since it is larger than the sum of its proper divisors (2106475389).

40023032011 is a wasteful number, since it uses less digits than its factorization.

40023032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106475388.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 40023032011 its reverse (11023032004), we get a palindrome (51046064015).

The spelling of 40023032011 in words is "forty billion, twenty-three million, thirty-two thousand, eleven".