5724005840 has 80 divisors (see below), whose sum is σ = 15228525312. Its totient is φ = 1960061952.

The previous prime is 5724005803. The next prime is 5724005843. The reversal of 5724005840 is 485004275.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 5724005840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5724005843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473957 + ... + 485883.

Almost surely, 2^5724005840 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 5724005840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7614262656).

5724005840 is an abundant number, since it is smaller than the sum of its proper divisors (9504519472).

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

5724005840 is a wasteful number, since it uses less digits than its factorization.

5724005840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804 (or 12798 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 5724005840 is about 75657.1598726783. The cubic root of 5724005840 is about 1788.8201956799.

The spelling of 5724005840 in words is "five billion, seven hundred twenty-four million, five thousand, eight hundred forty".