5818920840 has 192 divisors, whose sum is σ = 19282536000. Its totient is φ = 1521563136.

The previous prime is 5818920823. The next prime is 5818920841. The reversal of 5818920840 is 480298185.

It is a happy number.

5818920840 is a `hidden beast` number, since 581 + 8 + 9 + 20 + 8 + 40 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (5818920841) 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, 4451467 + ... + 4452773.

It is an arithmetic number, because the mean of its divisors is an integer number (100429875).

Almost surely, 2^5818920840 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 5818920840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9641268000).

5818920840 is an abundant number, since it is smaller than the sum of its proper divisors (13463615160).

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

5818920840 is a wasteful number, since it uses less digits than its factorization.

5818920840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 5818920840 is about 76281.8513147131. The cubic root of 5818920840 is about 1798.6534002526.

The spelling of 5818920840 in words is "five billion, eight hundred eighteen million, nine hundred twenty thousand, eight hundred forty".