7850073640240 has 40 divisors (see below), whose sum is σ = 19655376694128. Its totient is φ = 2898488728320.

The previous prime is 7850073640219. The next prime is 7850073640273. The reversal of 7850073640240 is 420463700587.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 3774072826 + ... + 3774074905.

Almost surely, 2^{7850073640240} is an apocalyptic number.

It is an amenable number.

7850073640240 is an abundant number, since it is smaller than the sum of its proper divisors (11805303053888).

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

7850073640240 is a wasteful number, since it uses less digits than its factorization.

7850073640240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7548147757 (or 7548147751 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 7850073640240 in words is "seven trillion, eight hundred fifty billion, seventy-three million, six hundred forty thousand, two hundred forty".