40240322011 has 4 divisors (see below), whose sum is σ = 40240918224. Its totient is φ = 40239725800.

The previous prime is 40240321999. The next prime is 40240322047. The reversal of 40240322011 is 11022304204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40240322011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40240322011.

It is not an unprimeable number, because it can be changed into a prime (40240322051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181720 + ... + 336901.

It is an arithmetic number, because the mean of its divisors is an integer number (10060229556).

Almost surely, 2^40240322011 is an apocalyptic number.

40240322011 is a deficient number, since it is larger than the sum of its proper divisors (596213).

40240322011 is an equidigital number, since it uses as much as digits as its factorization.

40240322011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596212.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40240322011 its reverse (11022304204), we get a palindrome (51262626215).

The spelling of 40240322011 in words is "forty billion, two hundred forty million, three hundred twenty-two thousand, eleven".