636072714340 has 48 divisors (see below), whose sum is σ = 1616373021312. Its totient is φ = 205253715456.

The previous prime is 636072714313. The next prime is 636072714341. The reversal of 636072714340 is 43417270636.

It is not an unprimeable number, because it can be changed into a prime (636072714341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133626342 + ... + 133631101.

It is an arithmetic number, because the mean of its divisors is an integer number (33674437944).

Almost surely, 2^636072714340 is an apocalyptic number.

It is an amenable number.

636072714340 is an abundant number, since it is smaller than the sum of its proper divisors (980300306972).

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

636072714340 is a wasteful number, since it uses less digits than its factorization.

636072714340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267257476 (or 267257474 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 43.

Adding to 636072714340 its reverse (43417270636), we get a palindrome (679489984976).

The spelling of 636072714340 in words is "six hundred thirty-six billion, seventy-two million, seven hundred fourteen thousand, three hundred forty".