9940190452366 has 4 divisors (see below), whose sum is σ = 14910285678552. Its totient is φ = 4970095226182.

The previous prime is 9940190452237. The next prime is 9940190452373. The reversal of 9940190452366 is 6632540910499.

It is a happy number.

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

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 9940190452366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2485047613090 + ... + 2485047613093.

It is an arithmetic number, because the mean of its divisors is an integer number (3727571419638).

Almost surely, 2^{9940190452366} is an apocalyptic number.

9940190452366 is a deficient number, since it is larger than the sum of its proper divisors (4970095226186).

9940190452366 is a wasteful number, since it uses less digits than its factorization.

9940190452366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970095226185.

The product of its (nonzero) digits is 12597120, while the sum is 58.

The spelling of 9940190452366 in words is "nine trillion, nine hundred forty billion, one hundred ninety million, four hundred fifty-two thousand, three hundred sixty-six".