9640462656 has 56 divisors (see below), whose sum is σ = 27825886944. Its totient is φ = 2921351680.

The previous prime is 9640462651. The next prime is 9640462681. The reversal of 9640462656 is 6562640469.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640462651) 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, 2280195 + ... + 2284418.

Almost surely, 2^9640462656 is an apocalyptic number.

9640462656 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9640462656 is an abundant number, since it is smaller than the sum of its proper divisors (18185424288).

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

9640462656 is a wasteful number, since it uses less digits than its factorization.

9640462656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564639 (or 4564629 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The square root of 9640462656 is about 98185.8577189200. The cubic root of 9640462656 is about 2128.2989244085.

The spelling of 9640462656 in words is "nine billion, six hundred forty million, four hundred sixty-two thousand, six hundred fifty-six".