2585387046 has 16 divisors (see below), whose sum is σ = 5640844608. Its totient is φ = 783450600.

The previous prime is 2585387039. The next prime is 2585387069. The reversal of 2585387046 is 6407835852.

It is a super-2 number, since 2×2585387046² = 13368452355249212232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2585386986 and 2585387004.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19586200 + ... + 19586331.

It is an arithmetic number, because the mean of its divisors is an integer number (352552788).

Almost surely, 2^2585387046 is an apocalyptic number.

2585387046 is an abundant number, since it is smaller than the sum of its proper divisors (3055457562).

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

2585387046 is a wasteful number, since it uses less digits than its factorization.

2585387046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39172547.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The square root of 2585387046 is about 50846.7014269362. The cubic root of 2585387046 is about 1372.4878951557.

The spelling of 2585387046 in words is "two billion, five hundred eighty-five million, three hundred eighty-seven thousand, forty-six".