9520640628 has 48 divisors (see below), whose sum is σ = 23553036864. Its totient is φ = 2982873600.

The previous prime is 9520640617. The next prime is 9520640629. The reversal of 9520640628 is 8260460259.

It is a self number, because there is not a number n which added to its sum of digits gives 9520640628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9520640629) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 123603 + ... + 185253.

It is an arithmetic number, because the mean of its divisors is an integer number (490688268).

Almost surely, 2^9520640628 is an apocalyptic number.

It is an amenable number.

9520640628 is an abundant number, since it is smaller than the sum of its proper divisors (14032396236).

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

9520640628 is a wasteful number, since it uses less digits than its factorization.

9520640628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62432 (or 62430 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 9520640628 is about 97573.7701844097. The cubic root of 9520640628 is about 2119.4445432766. Note that the first 3 decimals are identical.

The spelling of 9520640628 in words is "nine billion, five hundred twenty million, six hundred forty thousand, six hundred twenty-eight".