5818919040 has 640 divisors, whose sum is σ = 23655024000. Its totient is φ = 1349314560.

The previous prime is 5818919039. The next prime is 5818919059. The reversal of 5818919040 is 409198185.

It is a tau number, because it is divible by the number of its divisors (640).

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 252996469 + ... + 252996491.

It is an arithmetic number, because the mean of its divisors is an integer number (36960975).

Almost surely, 2^5818919040 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 5818919040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11827512000).

5818919040 is an abundant number, since it is smaller than the sum of its proper divisors (17836104960).

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

5818919040 is an equidigital number, since it uses as much as digits as its factorization.

5818919040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 5818919040 is about 76281.8395163620. The cubic root of 5818919040 is about 1798.6532147900.

The spelling of 5818919040 in words is "five billion, eight hundred eighteen million, nine hundred nineteen thousand, forty".