5236323840 has 640 divisors, whose sum is σ = 20788669440. Its totient is φ = 1238630400.

The previous prime is 5236323821. The next prime is 5236323871. The reversal of 5236323840 is 483236325.

It is a happy number.

5236323840 is a `hidden beast` number, since 523 + 63 + 2 + 38 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 5236323795 and 5236323804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53982672 + ... + 53982768.

It is an arithmetic number, because the mean of its divisors is an integer number (32482296).

Almost surely, 2^5236323840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5236323840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10394334720).

5236323840 is an abundant number, since it is smaller than the sum of its proper divisors (15552345600).

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

5236323840 is a wasteful number, since it uses less digits than its factorization.

5236323840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 5236323840 is about 72362.4477197946. The cubic root of 5236323840 is about 1736.5028451237.

The spelling of 5236323840 in words is "five billion, two hundred thirty-six million, three hundred twenty-three thousand, eight hundred forty".