7907705228640 has 288 divisors, whose sum is σ = 29910806682624. Its totient is φ = 1749169658880.

The previous prime is 7907705228629. The next prime is 7907705228663. The reversal of 7907705228640 is 468225077097.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4693654 + ... + 6151893.

It is an arithmetic number, because the mean of its divisors is an integer number (103856967648).

Almost surely, 2^{7907705228640} is an apocalyptic number.

7907705228640 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7907705228640 is an abundant number, since it is smaller than the sum of its proper divisors (22003101453984).

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

7907705228640 is a wasteful number, since it uses less digits than its factorization.

7907705228640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845610 (or 10845595 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 7907705228640 in words is "seven trillion, nine hundred seven billion, seven hundred five million, two hundred twenty-eight thousand, six hundred forty".