4380561585 has 24 divisors (see below), whose sum is σ = 7717453224. Its totient is φ = 2297998080.

The previous prime is 4380561571. The next prime is 4380561611. The reversal of 4380561585 is 5851650834.

4380561585 is a `hidden beast` number, since 4 + 3 + 8 + 0 + 5 + 61 + 585 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 249671601 + 4130889984 = 15801^2 + 64272^2 .

It is not a de Polignac number, because 4380561585 - 2¹⁷ = 4380430513 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4380561585.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 795172 + ... + 800661.

It is an arithmetic number, because the mean of its divisors is an integer number (321560551).

Almost surely, 2^4380561585 is an apocalyptic number.

4380561585 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4380561585 is a deficient number, since it is larger than the sum of its proper divisors (3336891639).

4380561585 is a wasteful number, since it uses less digits than its factorization.

4380561585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595905 (or 1595902 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The square root of 4380561585 is about 66185.8110549384. The cubic root of 4380561585 is about 1636.2259021403.

The spelling of 4380561585 in words is "four billion, three hundred eighty million, five hundred sixty-one thousand, five hundred eighty-five".