5815630720 has 64 divisors (see below), whose sum is σ = 14070626640. Its totient is φ = 2298204160.

The previous prime is 5815630697. The next prime is 5815630727. The reversal of 5815630720 is 270365185.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 5815630720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5815630727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1621 + ... + 107860.

Almost surely, 2^5815630720 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 5815630720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7035313320).

5815630720 is an abundant number, since it is smaller than the sum of its proper divisors (8254995920).

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

5815630720 is a wasteful number, since it uses less digits than its factorization.

5815630720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109583 (or 109571 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 5815630720 is about 76260.2827164967. The cubic root of 5815630720 is about 1798.3143396044.

The spelling of 5815630720 in words is "five billion, eight hundred fifteen million, six hundred thirty thousand, seven hundred twenty".