5721806832 has 240 divisors, whose sum is σ = 18405072000. Its totient is φ = 1522644480.

The previous prime is 5721806801. The next prime is 5721806833. The reversal of 5721806832 is 2386081275.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721806833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2724919 + ... + 2727017.

It is an arithmetic number, because the mean of its divisors is an integer number (76687800).

Almost surely, 2^5721806832 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 5721806832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9202536000).

5721806832 is an abundant number, since it is smaller than the sum of its proper divisors (12683265168).

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

5721806832 is a wasteful number, since it uses less digits than its factorization.

5721806832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 5721806832 is about 75642.6257608764. The cubic root of 5721806832 is about 1788.5910942505.

The spelling of 5721806832 in words is "five billion, seven hundred twenty-one million, eight hundred six thousand, eight hundred thirty-two".