2587500040 has 32 divisors (see below), whose sum is σ = 5846256000. Its totient is φ = 1030665664.

The previous prime is 2587500007. The next prime is 2587500059. The reversal of 2587500040 is 400057852.

It is a junction number, because it is equal to n+sod(n) for n = 2587499975 and 2587500011.

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, 125770 + ... + 144889.

It is an arithmetic number, because the mean of its divisors is an integer number (182695500).

Almost surely, 2^2587500040 is an apocalyptic number.

2587500040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2587500040 is an abundant number, since it is smaller than the sum of its proper divisors (3258755960).

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

2587500040 is a wasteful number, since it uses less digits than its factorization.

2587500040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270909 (or 270905 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 2587500040 is about 50867.4752666181. The cubic root of 2587500040 is about 1372.8616972129.

Adding to 2587500040 its reverse (400057852), we get a palindrome (2987557892).

The spelling of 2587500040 in words is "two billion, five hundred eighty-seven million, five hundred thousand, forty".