5281899840000 has 2000 divisors, whose sum is σ = 23071954961088. Its totient is φ = 1177473024000.

The previous prime is 5281899839977. The next prime is 5281899840031. The reversal of 5281899840000 is 489981825.

5281899840000 is a `hidden beast` number, since 52 + 8 + 189 + 9 + 8 + 400 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2000).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 7801919662 + ... + 7801920338.

Almost surely, 2^{5281899840000} is an apocalyptic number.

5281899840000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5281899840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11535977480544).

5281899840000 is an abundant number, since it is smaller than the sum of its proper divisors (17790055121088).

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

5281899840000 is an frugal number, since it uses more digits than its factorization.

5281899840000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 5281899840000 in words is "five trillion, two hundred eighty-one billion, eight hundred ninety-nine million, eight hundred forty thousand".