5628581380 has 12 divisors (see below), whose sum is σ = 11820020940. Its totient is φ = 2251432544.

The previous prime is 5628581347. The next prime is 5628581381. The reversal of 5628581380 is 831858265.

It can be written as a sum of positive squares in 2 ways, for example, as 1777634244 + 3850947136 = 42162^2 + 62056^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5628581380.

It is not an unprimeable number, because it can be changed into a prime (5628581381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140714515 + ... + 140714554.

It is an arithmetic number, because the mean of its divisors is an integer number (985001745).

Almost surely, 2^5628581380 is an apocalyptic number.

It is an amenable number.

5628581380 is an abundant number, since it is smaller than the sum of its proper divisors (6191439560).

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

5628581380 is a wasteful number, since it uses less digits than its factorization.

5628581380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281429078 (or 281429076 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 5628581380 is about 75023.8720674960. The cubic root of 5628581380 is about 1778.8240117706.

The spelling of 5628581380 in words is "five billion, six hundred twenty-eight million, five hundred eighty-one thousand, three hundred eighty".