40505622532321 has 4 divisors (see below), whose sum is σ = 40506072080644. Its totient is φ = 40505172984000.

The previous prime is 40505622532267. The next prime is 40505622532391. The reversal of 40505622532321 is 12323522650504.

40505622532321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38376649722321 + 2128972810000 = 6194889^2 + 1459100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40505622532321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40505622532391) 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 3 ways as a sum of consecutive naturals, for example, 224638980 + ... + 224819221.

It is an arithmetic number, because the mean of its divisors is an integer number (10126518020161).

Almost surely, 2^{40505622532321} is an apocalyptic number.

It is an amenable number.

40505622532321 is a deficient number, since it is larger than the sum of its proper divisors (449548323).

40505622532321 is an equidigital number, since it uses as much as digits as its factorization.

40505622532321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449548322.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 40505622532321 in words is "forty trillion, five hundred five billion, six hundred twenty-two million, five hundred thirty-two thousand, three hundred twenty-one".