9656955840 has 112 divisors (see below), whose sum is σ = 35040978432. Its totient is φ = 2207302656.

The previous prime is 9656955839. The next prime is 9656955863. The reversal of 9656955840 is 485596569.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711804 + ... + 725243.

Almost surely, 2^9656955840 is an apocalyptic number.

It is an amenable number.

9656955840 is an abundant number, since it is smaller than the sum of its proper divisors (25384022592).

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

9656955840 is a wasteful number, since it uses less digits than its factorization.

9656955840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437074 (or 1437064 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 57.

The square root of 9656955840 is about 98269.8114376943. The cubic root of 9656955840 is about 2129.5119514848.

The spelling of 9656955840 in words is "nine billion, six hundred fifty-six million, nine hundred fifty-five thousand, eight hundred forty".