5819881000 has 32 divisors (see below), whose sum is σ = 13618523880. Its totient is φ = 2327952000.

The previous prime is 5819880959. The next prime is 5819881043. The reversal of 5819881000 is 1889185.

It can be written as a sum of positive squares in 4 ways, for example, as 816016356 + 5003864644 = 28566^2 + 70738^2 .

It is a super-2 number, since 2×5819881000² = 67742029708322000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908941 + ... + 2910940.

Almost surely, 2^5819881000 is an apocalyptic number.

5819881000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5819881000 is an abundant number, since it is smaller than the sum of its proper divisors (7798642880).

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

5819881000 is a wasteful number, since it uses less digits than its factorization.

5819881000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819902 (or 5819888 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 40.

The square root of 5819881000 is about 76288.1445573295. The cubic root of 5819881000 is about 1798.7523246704.

The spelling of 5819881000 in words is "five billion, eight hundred nineteen million, eight hundred eighty-one thousand".