40400410320443 has 4 divisors (see below), whose sum is σ = 40427874910848. Its totient is φ = 40372945730040.

The previous prime is 40400410320397. The next prime is 40400410320551. The reversal of 40400410320443 is 34402301400404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40400410320443 - 2¹⁶ = 40400410254907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40400410320143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13732292996 + ... + 13732295937.

It is an arithmetic number, because the mean of its divisors is an integer number (10106968727712).

Almost surely, 2^{40400410320443} is an apocalyptic number.

40400410320443 is a deficient number, since it is larger than the sum of its proper divisors (27464590405).

40400410320443 is a wasteful number, since it uses less digits than its factorization.

40400410320443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27464590404.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 40400410320443 its reverse (34402301400404), we get a palindrome (74802711720847).

The spelling of 40400410320443 in words is "forty trillion, four hundred billion, four hundred ten million, three hundred twenty thousand, four hundred forty-three".