7680680244 has 18 divisors (see below), whose sum is σ = 19415052930. Its totient is φ = 2560226736.

The previous prime is 7680680221. The next prime is 7680680297. The reversal of 7680680244 is 4420860867.

It can be written as a sum of positive squares in only one way, i.e., 7563780900 + 116899344 = 86970^2 + 10812^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 7680680244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106676079 + ... + 106676150.

Almost surely, 2^7680680244 is an apocalyptic number.

It is an amenable number.

7680680244 is an abundant number, since it is smaller than the sum of its proper divisors (11734372686).

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

7680680244 is a wasteful number, since it uses less digits than its factorization.

7680680244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213352239 (or 213352234 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 7680680244 is about 87639.4902084671. The cubic root of 7680680244 is about 1973.0279086462.

The spelling of 7680680244 in words is "seven billion, six hundred eighty million, six hundred eighty thousand, two hundred forty-four".