40011404443 has 8 divisors (see below), whose sum is σ = 40697033616. Its totient is φ = 39326733600.

The previous prime is 40011404441. The next prime is 40011404449. The reversal of 40011404443 is 34440411004.

It is a happy number.

40011404443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40011404443 - 2¹ = 40011404441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40011404441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155113 + ... + 322618.

It is an arithmetic number, because the mean of its divisors is an integer number (5087129202).

Almost surely, 2^40011404443 is an apocalyptic number.

40011404443 is a deficient number, since it is larger than the sum of its proper divisors (685629173).

40011404443 is a wasteful number, since it uses less digits than its factorization.

40011404443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479165.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40011404443 its reverse (34440411004), we get a palindrome (74451815447).

The spelling of 40011404443 in words is "forty billion, eleven million, four hundred four thousand, four hundred forty-three".