636528040147 has 8 divisors (see below), whose sum is σ = 674244104976. Its totient is φ = 598842335232.

The previous prime is 636528040129. The next prime is 636528040189. The reversal of 636528040147 is 741040825636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 636528040147 - 2⁷ = 636528040019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 636528040097 and 636528040106.

It is not an unprimeable number, because it can be changed into a prime (636528049147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7546798 + ... + 7630675.

It is an arithmetic number, because the mean of its divisors is an integer number (84280513122).

Almost surely, 2^636528040147 is an apocalyptic number.

636528040147 is a deficient number, since it is larger than the sum of its proper divisors (37716064829).

636528040147 is a wasteful number, since it uses less digits than its factorization.

636528040147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15179957.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 636528040147 in words is "six hundred thirty-six billion, five hundred twenty-eight million, forty thousand, one hundred forty-seven".