1080400585 has 32 divisors (see below), whose sum is σ = 1471155840. Its totient is φ = 754790400.

The previous prime is 1080400579. The next prime is 1080400589. The reversal of 1080400585 is 5850040801.

It is not a de Polignac number, because 1080400585 - 2⁷ = 1080400457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1080400589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140521 + ... + 148009.

It is an arithmetic number, because the mean of its divisors is an integer number (45973620).

Almost surely, 2^1080400585 is an apocalyptic number.

It is an amenable number.

1080400585 is a deficient number, since it is larger than the sum of its proper divisors (390755255).

1080400585 is a wasteful number, since it uses less digits than its factorization.

1080400585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7609.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 1080400585 is about 32869.4475919508. The cubic root of 1080400585 is about 1026.1124024582.

The spelling of 1080400585 in words is "one billion, eighty million, four hundred thousand, five hundred eighty-five".