2587255040 has 72 divisors (see below), whose sum is σ = 6397294848. Its totient is φ = 1001502720.

The previous prime is 2587255031. The next prime is 2587255051. The reversal of 2587255040 is 405527852.

It is a junction number, because it is equal to n+sod(n) for n = 2587254985 and 2587255003.

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 7 ways as a sum of consecutive naturals, for example, 7079 + ... + 72281.

Almost surely, 2^2587255040 is an apocalyptic number.

2587255040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2587255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3198647424).

2587255040 is an abundant number, since it is smaller than the sum of its proper divisors (3810039808).

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

2587255040 is an equidigital number, since it uses as much as digits as its factorization.

2587255040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65255 (or 65241 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 2587255040 is about 50865.0669910106. The cubic root of 2587255040 is about 1372.8183655894.

The spelling of 2587255040 in words is "two billion, five hundred eighty-seven million, two hundred fifty-five thousand, forty".