40013245211 has 4 divisors (see below), whose sum is σ = 40052513400. Its totient is φ = 39973977024.

The previous prime is 40013245201. The next prime is 40013245213. The reversal of 40013245211 is 11254231004.

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-40013245211 is a prime.

It is a super-2 number, since 2×40013245211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40013245213) 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, 19632566 + ... + 19634603.

It is an arithmetic number, because the mean of its divisors is an integer number (10013128350).

Almost surely, 2^40013245211 is an apocalyptic number.

40013245211 is a deficient number, since it is larger than the sum of its proper divisors (39268189).

40013245211 is a wasteful number, since it uses less digits than its factorization.

40013245211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39268188.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 40013245211 its reverse (11254231004), we get a palindrome (51267476215).

The spelling of 40013245211 in words is "forty billion, thirteen million, two hundred forty-five thousand, two hundred eleven".