40321888394641 has 32 divisors (see below), whose sum is σ = 46642536944640. Its totient is φ = 34143848827200.

The previous prime is 40321888394581. The next prime is 40321888394677. The reversal of 40321888394641 is 14649388812304.

40321888394641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40321888394641 - 2²¹ = 40321886297489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40321888394641.

It is not an unprimeable number, because it can be changed into a prime (40321888394341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1296883506 + ... + 1296914596.

It is an arithmetic number, because the mean of its divisors is an integer number (1457579279520).

Almost surely, 2^{40321888394641} is an apocalyptic number.

It is an amenable number.

40321888394641 is a deficient number, since it is larger than the sum of its proper divisors (6320648549999).

40321888394641 is a wasteful number, since it uses less digits than its factorization.

40321888394641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37765.

The product of its (nonzero) digits is 31850496, while the sum is 61.

The spelling of 40321888394641 in words is "forty trillion, three hundred twenty-one billion, eight hundred eighty-eight million, three hundred ninety-four thousand, six hundred forty-one".