40055011 has 4 divisors (see below), whose sum is σ = 40068000. Its totient is φ = 40042024.

The previous prime is 40054999. The next prime is 40055017. The reversal of 40055011 is 11055004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40055011 - 2¹³ = 40046819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40055017) 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, 1065 + ... + 9013.

It is an arithmetic number, because the mean of its divisors is an integer number (10017000).

Almost surely, 2^40055011 is an apocalyptic number.

40055011 is a deficient number, since it is larger than the sum of its proper divisors (12989).

40055011 is an equidigital number, since it uses as much as digits as its factorization.

40055011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12988.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 40055011 is about 6328.9028275049. The cubic root of 40055011 is about 342.1518966634.

The spelling of 40055011 in words is "forty million, fifty-five thousand, eleven".