9140356390640 has 160 divisors (see below), whose sum is σ = 21408764679936. Its totient is φ = 3629199974400.

The previous prime is 9140356390621. The next prime is 9140356390661. The reversal of 9140356390640 is 460936530419.

It is a happy number.

It is a super-2 number, since 2×9140356390640² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8696818115 + ... + 8696819165.

Almost surely, 2^{9140356390640} is an apocalyptic number.

It is an amenable number.

9140356390640 is an abundant number, since it is smaller than the sum of its proper divisors (12268408289296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9140356390640 is a wasteful number, since it uses less digits than its factorization.

9140356390640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 9140356390640 in words is "nine trillion, one hundred forty billion, three hundred fifty-six million, three hundred ninety thousand, six hundred forty".