5235286644 has 36 divisors (see below), whose sum is σ = 15124162144. Its totient is φ = 1495796112.

The previous prime is 5235286643. The next prime is 5235286709. The reversal of 5235286644 is 4466825325.

5235286644 is a `hidden beast` number, since 5 + 23 + 528 + 66 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5235286644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5235286643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10387222 + ... + 10387725.

Almost surely, 2^5235286644 is an apocalyptic number.

It is an amenable number.

5235286644 is an abundant number, since it is smaller than the sum of its proper divisors (9888875500).

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

5235286644 is a wasteful number, since it uses less digits than its factorization.

5235286644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20774964 (or 20774959 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The square root of 5235286644 is about 72355.2806918749. The cubic root of 5235286644 is about 1736.3881837192.

The spelling of 5235286644 in words is "five billion, two hundred thirty-five million, two hundred eighty-six thousand, six hundred forty-four".