7659243240 has 128 divisors (see below), whose sum is σ = 26541198720. Its totient is φ = 1747558400.

The previous prime is 7659243239. The next prime is 7659243247. The reversal of 7659243240 is 423429567.

It is a junction number, because it is equal to n+sod(n) for n = 7659243192 and 7659243201.

It is not an unprimeable number, because it can be changed into a prime (7659243247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148221 + ... + 193100.

It is an arithmetic number, because the mean of its divisors is an integer number (207353115).

Almost surely, 2^7659243240 is an apocalyptic number.

It is an amenable number.

7659243240 is an abundant number, since it is smaller than the sum of its proper divisors (18881955480).

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

7659243240 is a wasteful number, since it uses less digits than its factorization.

7659243240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341363 (or 341359 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 7659243240 is about 87517.1025571574. The cubic root of 7659243240 is about 1971.1906053273.

The spelling of 7659243240 in words is "seven billion, six hundred fifty-nine million, two hundred forty-three thousand, two hundred forty".