5851399680 has 720 divisors, whose sum is σ = 24233118624. Its totient is φ = 1300561920.

The previous prime is 5851399667. The next prime is 5851399681. The reversal of 5851399680 is 869931585.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (720).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5851399681) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 80156124 + ... + 80156196.

Almost surely, 2^5851399680 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 5851399680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12116559312).

5851399680 is an abundant number, since it is smaller than the sum of its proper divisors (18381718944).

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

5851399680 is a wasteful number, since it uses less digits than its factorization.

5851399680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The square root of 5851399680 is about 76494.4421510478. The cubic root of 5851399680 is about 1801.9936429188.

The spelling of 5851399680 in words is "five billion, eight hundred fifty-one million, three hundred ninety-nine thousand, six hundred eighty".