7430765685640 has 32 divisors (see below), whose sum is σ = 18239152138560. Its totient is φ = 2702096612800.

The previous prime is 7430765685589. The next prime is 7430765685731. The reversal of 7430765685640 is 465865670347.

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 7 ways as a sum of consecutive naturals, for example, 8444051476 + ... + 8444052355.

It is an arithmetic number, because the mean of its divisors is an integer number (569973504330).

Almost surely, 2^{7430765685640} is an apocalyptic number.

It is an amenable number.

7430765685640 is an abundant number, since it is smaller than the sum of its proper divisors (10808386452920).

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

7430765685640 is a wasteful number, since it uses less digits than its factorization.

7430765685640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16888103853 (or 16888103849 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 61.

The spelling of 7430765685640 in words is "seven trillion, four hundred thirty billion, seven hundred sixty-five million, six hundred eighty-five thousand, six hundred forty".