636241012 has 12 divisors (see below), whose sum is σ = 1214642016. Its totient is φ = 289200440.

The previous prime is 636240989. The next prime is 636241013. The reversal of 636241012 is 210142636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636241013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7229968 + ... + 7230055.

It is an arithmetic number, because the mean of its divisors is an integer number (101220168).

Almost surely, 2^636241012 is an apocalyptic number.

It is an amenable number.

636241012 is a deficient number, since it is larger than the sum of its proper divisors (578401004).

636241012 is a wasteful number, since it uses less digits than its factorization.

636241012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460038 (or 14460036 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 636241012 is about 25223.8183469514. The cubic root of 636241012 is about 860.0833757277.

Adding to 636241012 its reverse (210142636), we get a palindrome (846383648).

It can be divided in two parts, 6362 and 41012, that added together give a palindrome (47374).

The spelling of 636241012 in words is "six hundred thirty-six million, two hundred forty-one thousand, twelve".