9651652040 has 16 divisors (see below), whose sum is σ = 21716217180. Its totient is φ = 3860660800.

The previous prime is 9651652019. The next prime is 9651652051. The reversal of 9651652040 is 402561569.

It can be written as a sum of positive squares in 2 ways, for example, as 9600472324 + 51179716 = 97982^2 + 7154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9651651985 and 9651652003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120645611 + ... + 120645690.

Almost surely, 2^9651652040 is an apocalyptic number.

It is an amenable number.

9651652040 is an abundant number, since it is smaller than the sum of its proper divisors (12064565140).

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

9651652040 is a wasteful number, since it uses less digits than its factorization.

9651652040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241291312 (or 241291308 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 9651652040 is about 98242.8218242941. The cubic root of 9651652040 is about 2129.1220227456.

The spelling of 9651652040 in words is "nine billion, six hundred fifty-one million, six hundred fifty-two thousand, forty".