40711568449 has 4 divisors (see below), whose sum is σ = 40955350464. Its totient is φ = 40467786436.

The previous prime is 40711568407. The next prime is 40711568461. The reversal of 40711568449 is 94486511704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40711568449 is a prime.

It is a super-2 number, since 2×40711568449² (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 (40711563449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121890757 + ... + 121891090.

It is an arithmetic number, because the mean of its divisors is an integer number (10238837616).

Almost surely, 2^40711568449 is an apocalyptic number.

It is an amenable number.

40711568449 is a deficient number, since it is larger than the sum of its proper divisors (243782015).

40711568449 is a wasteful number, since it uses less digits than its factorization.

40711568449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243782014.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 40711568449 in words is "forty billion, seven hundred eleven million, five hundred sixty-eight thousand, four hundred forty-nine".