9936401792 has 32 divisors (see below), whose sum is σ = 19813565280. Its totient is φ = 4963585536.

The previous prime is 9936401749. The next prime is 9936401809. The reversal of 9936401792 is 2971046399.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×9936401792² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9936401792.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104393 + ... + 175415.

It is an arithmetic number, because the mean of its divisors is an integer number (619173915).

Almost surely, 2^9936401792 is an apocalyptic number.

It is an amenable number.

9936401792 is a deficient number, since it is larger than the sum of its proper divisors (9877163488).

9936401792 is a wasteful number, since it uses less digits than its factorization.

9936401792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72130 (or 72118 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 9936401792 is about 99681.5017543375. The cubic root of 9936401792 is about 2149.8577004792.

The spelling of 9936401792 in words is "nine billion, nine hundred thirty-six million, four hundred one thousand, seven hundred ninety-two".