940946205588481 has 4 divisors (see below), whose sum is σ = 950646681934852. Its totient is φ = 931245729242112.

The previous prime is 940946205588463. The next prime is 940946205588509. The reversal of 940946205588481 is 184885502649049.

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 382640193338481 + 558306012250000 = 19561191^2 + 23628500^2 .

It is a cyclic number.

It is not a de Polignac number, because 940946205588481 - 2¹¹ = 940946205586433 is a prime.

It is a super-2 number, since 2×940946205588481² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940946205588421) 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, 4850238173040 + ... + 4850238173233.

It is an arithmetic number, because the mean of its divisors is an integer number (237661670483713).

Almost surely, 2^{940946205588481} is an apocalyptic number.

It is an amenable number.

940946205588481 is a deficient number, since it is larger than the sum of its proper divisors (9700476346371).

940946205588481 is an equidigital number, since it uses as much as digits as its factorization.

940946205588481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9700476346370.

The product of its (nonzero) digits is 796262400, while the sum is 73.

The spelling of 940946205588481 in words is "nine hundred forty trillion, nine hundred forty-six billion, two hundred five million, five hundred eighty-eight thousand, four hundred eighty-one".