312244461636 has 12 divisors (see below), whose sum is σ = 728570410512. Its totient is φ = 104081487208.

The previous prime is 312244461631. The next prime is 312244461677. The reversal of 312244461636 is 636164442213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (312244461631) 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, 13010185890 + ... + 13010185913.

It is an arithmetic number, because the mean of its divisors is an integer number (60714200876).

Almost surely, 2^312244461636 is an apocalyptic number.

It is an amenable number.

312244461636 is an abundant number, since it is smaller than the sum of its proper divisors (416325948876).

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

312244461636 is a wasteful number, since it uses less digits than its factorization.

312244461636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26020371810 (or 26020371808 counting only the distinct ones).

The product of its digits is 497664, while the sum is 42.

The spelling of 312244461636 in words is "three hundred twelve billion, two hundred forty-four million, four hundred sixty-one thousand, six hundred thirty-six".