5236847640 has 320 divisors, whose sum is σ = 18740383200. Its totient is φ = 1307860992.

The previous prime is 5236847593. The next prime is 5236847683. The reversal of 5236847640 is 467486325.

5236847640 is a `hidden beast` number, since 523 + 6 + 84 + 7 + 6 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5970882 + ... + 5971758.

Almost surely, 2^5236847640 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 5236847640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9370191600).

5236847640 is an abundant number, since it is smaller than the sum of its proper divisors (13503535560).

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

5236847640 is a wasteful number, since it uses less digits than its factorization.

5236847640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The square root of 5236847640 is about 72366.0669098439. The cubic root of 5236847640 is about 1736.5607451499.

The spelling of 5236847640 in words is "five billion, two hundred thirty-six million, eight hundred forty-seven thousand, six hundred forty".