9940476321242 has 8 divisors (see below), whose sum is σ = 14921670190932. Its totient is φ = 4966586257600.

The previous prime is 9940476321103. The next prime is 9940476321257. The reversal of 9940476321242 is 2421236740499.

It can be written as a sum of positive squares in 2 ways, for example, as 9894478511401 + 45997809841 = 3145549^2 + 214471^2 .

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

It is an unprimeable number.

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, 1825948109 + ... + 1825953552.

Almost surely, 2^{9940476321242} is an apocalyptic number.

9940476321242 is a deficient number, since it is larger than the sum of its proper divisors (4981193869690).

9940476321242 is a wasteful number, since it uses less digits than its factorization.

9940476321242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651903024.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 9940476321242 in words is "nine trillion, nine hundred forty billion, four hundred seventy-six million, three hundred twenty-one thousand, two hundred forty-two".