5215157594640 has 120 divisors (see below), whose sum is σ = 20016271549248. Its totient is φ = 1192036020480.

The previous prime is 5215157594599. The next prime is 5215157594641. The reversal of 5215157594640 is 464957515125.

5215157594640 is a `hidden beast` number, since 5 + 2 + 1 + 5 + 1 + 5 + 7 + 594 + 6 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5215157594641) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 517371706 + ... + 517381785.

Almost surely, 2^{5215157594640} is an apocalyptic number.

It is an amenable number.

5215157594640 is an abundant number, since it is smaller than the sum of its proper divisors (14801113954608).

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

5215157594640 is a wasteful number, since it uses less digits than its factorization.

5215157594640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034753517 (or 1034753508 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 54.

The spelling of 5215157594640 in words is "five trillion, two hundred fifteen billion, one hundred fifty-seven million, five hundred ninety-four thousand, six hundred forty".