40012406441 has 4 divisors (see below), whose sum is σ = 45728464512. Its totient is φ = 34296348372.

The previous prime is 40012406419. The next prime is 40012406443. The reversal of 40012406441 is 14460421004.

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-40012406441 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 40012406441.

It is not an unprimeable number, because it can be changed into a prime (40012406443) 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, 2858029025 + ... + 2858029038.

It is an arithmetic number, because the mean of its divisors is an integer number (11432116128).

Almost surely, 2^40012406441 is an apocalyptic number.

It is an amenable number.

40012406441 is a deficient number, since it is larger than the sum of its proper divisors (5716058071).

40012406441 is an equidigital number, since it uses as much as digits as its factorization.

40012406441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716058070.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 40012406441 its reverse (14460421004), we get a palindrome (54472827445).

The spelling of 40012406441 in words is "forty billion, twelve million, four hundred six thousand, four hundred forty-one".