5821145280 has 336 divisors, whose sum is σ = 20887236864. Its totient is φ = 1486356480.

The previous prime is 5821145269. The next prime is 5821145293. The reversal of 5821145280 is 825411285.

5821145280 is a `hidden beast` number, since 582 + 11 + 45 + 28 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10088352 + ... + 10088928.

Almost surely, 2^5821145280 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 5821145280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10443618432).

5821145280 is an abundant number, since it is smaller than the sum of its proper divisors (15066091584).

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

5821145280 is a wasteful number, since it uses less digits than its factorization.

5821145280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 5821145280 is about 76296.4303227877. The cubic root of 5821145280 is about 1798.8825657031.

The spelling of 5821145280 in words is "five billion, eight hundred twenty-one million, one hundred forty-five thousand, two hundred eighty".