9140296728 has 32 divisors (see below), whose sum is σ = 22853219760. Its totient is φ = 3046435200.

The previous prime is 9140296699. The next prime is 9140296729. The reversal of 9140296728 is 8276920419.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9140296729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319926 + ... + 347322.

Almost surely, 2^9140296728 is an apocalyptic number.

It is an amenable number.

9140296728 is an abundant number, since it is smaller than the sum of its proper divisors (13712923032).

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

9140296728 is a wasteful number, since it uses less digits than its factorization.

9140296728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41307 (or 41303 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 9140296728 is about 95604.8990794928. The cubic root of 9140296728 is about 2090.8366214768.

The spelling of 9140296728 in words is "nine billion, one hundred forty million, two hundred ninety-six thousand, seven hundred twenty-eight".