1040289085 has 16 divisors (see below), whose sum is σ = 1365361920. Its totient is φ = 754613440.

The previous prime is 1040289053. The next prime is 1040289113. The reversal of 1040289085 is 5809820401.

1040289085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1040289085 - 2⁵ = 1040289053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2917 + ... + 45706.

It is an arithmetic number, because the mean of its divisors is an integer number (85335120).

Almost surely, 2^1040289085 is an apocalyptic number.

It is an amenable number.

1040289085 is a deficient number, since it is larger than the sum of its proper divisors (325072835).

1040289085 is a wasteful number, since it uses less digits than its factorization.

1040289085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49028.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1040289085 is about 32253.5127544272. The cubic root of 1040289085 is about 1013.2532698627.

The spelling of 1040289085 in words is "one billion, forty million, two hundred eighty-nine thousand, eighty-five".