8253435478540 has 96 divisors (see below), whose sum is σ = 21260743830144. Its totient is φ = 2626809937920.

The previous prime is 8253435478481. The next prime is 8253435478583. The reversal of 8253435478540 is 458745343528.

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 31 ways as a sum of consecutive naturals, for example, 23578521 + ... + 23926000.

It is an arithmetic number, because the mean of its divisors is an integer number (221466081564).

Almost surely, 2^{8253435478540} is an apocalyptic number.

It is an amenable number.

8253435478540 is an abundant number, since it is smaller than the sum of its proper divisors (13007308351604).

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

8253435478540 is a wasteful number, since it uses less digits than its factorization.

8253435478540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47504627 (or 47504625 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 58.

The spelling of 8253435478540 in words is "eight trillion, two hundred fifty-three billion, four hundred thirty-five million, four hundred seventy-eight thousand, five hundred forty".