7646318340 has 48 divisors (see below), whose sum is σ = 21424377408. Its totient is φ = 2037619584.

The previous prime is 7646318297. The next prime is 7646318347. The reversal of 7646318340 is 438136467.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7646318292 and 7646318301.

It is not an unprimeable number, because it can be changed into a prime (7646318347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46014 + ... + 131946.

It is an arithmetic number, because the mean of its divisors is an integer number (446341196).

Almost surely, 2^7646318340 is an apocalyptic number.

It is an amenable number.

7646318340 is an abundant number, since it is smaller than the sum of its proper divisors (13778059068).

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

7646318340 is a wasteful number, since it uses less digits than its factorization.

7646318340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87428 (or 87426 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 7646318340 is about 87443.2292404621. The cubic root of 7646318340 is about 1970.0811925962.

The spelling of 7646318340 in words is "seven billion, six hundred forty-six million, three hundred eighteen thousand, three hundred forty".