4312722636 has 24 divisors (see below), whose sum is σ = 11181133040. Its totient is φ = 1437574176.

The previous prime is 4312722613. The next prime is 4312722641. The reversal of 4312722636 is 6362272134.

4312722636 is a `hidden beast` number, since 4 + 3 + 12 + 7 + 2 + 2 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4312722636.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19966201 + ... + 19966416.

Almost surely, 2^4312722636 is an apocalyptic number.

It is an amenable number.

4312722636 is an abundant number, since it is smaller than the sum of its proper divisors (6868410404).

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

4312722636 is a wasteful number, since it uses less digits than its factorization.

4312722636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39932630 (or 39932622 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 4312722636 is about 65671.3227824748. The cubic root of 4312722636 is about 1627.7355279342.

The spelling of 4312722636 in words is "four billion, three hundred twelve million, seven hundred twenty-two thousand, six hundred thirty-six".