2659040390 has 16 divisors (see below), whose sum is σ = 4857710832. Its totient is φ = 1047741024.

The previous prime is 2659040387. The next prime is 2659040401. The reversal of 2659040390 is 930409562.

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 7 ways as a sum of consecutive naturals, for example, 1983689 + ... + 1985028.

It is an arithmetic number, because the mean of its divisors is an integer number (303606927).

Almost surely, 2^2659040390 is an apocalyptic number.

2659040390 is a deficient number, since it is larger than the sum of its proper divisors (2198670442).

2659040390 is a wasteful number, since it uses less digits than its factorization.

2659040390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968791.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 2659040390 is about 51565.8839738058. The cubic root of 2659040390 is about 1385.3993452820.

The spelling of 2659040390 in words is "two billion, six hundred fifty-nine million, forty thousand, three hundred ninety".