7645682550 has 48 divisors (see below), whose sum is σ = 20685051072. Its totient is φ = 1853498400.

The previous prime is 7645682519. The next prime is 7645682587. The reversal of 7645682550 is 552865467.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7645682550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2315224 + ... + 2318523.

It is an arithmetic number, because the mean of its divisors is an integer number (430938564).

Almost surely, 2^7645682550 is an apocalyptic number.

7645682550 is an abundant number, since it is smaller than the sum of its proper divisors (13039368522).

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

7645682550 is a wasteful number, since it uses less digits than its factorization.

7645682550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4633773 (or 4633768 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The square root of 7645682550 is about 87439.5937204651. The cubic root of 7645682550 is about 1970.0265871166.

The spelling of 7645682550 in words is "seven billion, six hundred forty-five million, six hundred eighty-two thousand, five hundred fifty".