2540584390 has 32 divisors (see below), whose sum is σ = 4658054400. Its totient is φ = 997454304.

The previous prime is 2540584381. The next prime is 2540584451. The reversal of 2540584390 is 934850452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182911 + ... + 196309.

It is an arithmetic number, because the mean of its divisors is an integer number (145564200).

Almost surely, 2^2540584390 is an apocalyptic number.

2540584390 is a deficient number, since it is larger than the sum of its proper divisors (2117470010).

2540584390 is a wasteful number, since it uses less digits than its factorization.

2540584390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13756.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 2540584390 is about 50404.2100424161. The cubic root of 2540584390 is about 1364.5136204486.

The spelling of 2540584390 in words is "two billion, five hundred forty million, five hundred eighty-four thousand, three hundred ninety".