2585365871040 has 112 divisors (see below), whose sum is σ = 9120596297760. Its totient is φ = 689430896640.

The previous prime is 2585365871021. The next prime is 2585365871089. The reversal of 2585365871040 is 401785635852.

2585365871040 is a `hidden beast` number, since 2 + 5 + 8 + 5 + 3 + 6 + 587 + 10 + 40 = 666.

2585365871040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 149607441 + ... + 149624720.

Almost surely, 2^{2585365871040} is an apocalyptic number.

2585365871040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2585365871040 is an abundant number, since it is smaller than the sum of its proper divisors (6535230426720).

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

2585365871040 is a wasteful number, since it uses less digits than its factorization.

2585365871040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299232187 (or 299232171 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 2585365871040 in words is "two trillion, five hundred eighty-five billion, three hundred sixty-five million, eight hundred seventy-one thousand, forty".