7875535250640 has 80 divisors (see below), whose sum is σ = 24414474927168. Its totient is φ = 2100115580928.

The previous prime is 7875535250579. The next prime is 7875535250657. The reversal of 7875535250640 is 460525355787.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24258024 + ... + 24580536.

Almost surely, 2^{7875535250640} is an apocalyptic number.

It is an amenable number.

7875535250640 is an abundant number, since it is smaller than the sum of its proper divisors (16538939676528).

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

7875535250640 is a wasteful number, since it uses less digits than its factorization.

7875535250640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424276 (or 424270 counting only the distinct ones).

The product of its (nonzero) digits is 35280000, while the sum is 57.

The spelling of 7875535250640 in words is "seven trillion, eight hundred seventy-five billion, five hundred thirty-five million, two hundred fifty thousand, six hundred forty".