7657713338440 has 32 divisors (see below), whose sum is σ = 18796205468160. Its totient is φ = 2784623032000.

The previous prime is 7657713338381. The next prime is 7657713338459. The reversal of 7657713338440 is 448333177567.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8701946536 + ... + 8701947415.

It is an arithmetic number, because the mean of its divisors is an integer number (587381420880).

Almost surely, 2^{7657713338440} is an apocalyptic number.

It is an amenable number.

7657713338440 is an abundant number, since it is smaller than the sum of its proper divisors (11138492129720).

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

7657713338440 is a wasteful number, since it uses less digits than its factorization.

7657713338440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17403893973 (or 17403893969 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 58.

The spelling of 7657713338440 in words is "seven trillion, six hundred fifty-seven billion, seven hundred thirteen million, three hundred thirty-eight thousand, four hundred forty".