8513472752440 has 16 divisors (see below), whose sum is σ = 19155313693080. Its totient is φ = 3405389100960.

The previous prime is 8513472752357. The next prime is 8513472752479. The reversal of 8513472752440 is 442572743158.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 106418409366 + ... + 106418409445.

Almost surely, 2^{8513472752440} is an apocalyptic number.

It is an amenable number.

8513472752440 is an abundant number, since it is smaller than the sum of its proper divisors (10641840940640).

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

8513472752440 is a wasteful number, since it uses less digits than its factorization.

8513472752440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212836818822 (or 212836818818 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 52.

The spelling of 8513472752440 in words is "eight trillion, five hundred thirteen billion, four hundred seventy-two million, seven hundred fifty-two thousand, four hundred forty".