2790305090 has 8 divisors (see below), whose sum is σ = 5022549180. Its totient is φ = 1116122032.

The previous prime is 2790305017. The next prime is 2790305101. The reversal of 2790305090 is 905030972.

It can be written as a sum of positive squares in 2 ways, for example, as 2789846761 + 458329 = 52819^2 + 677^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2790305090.

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 3 ways as a sum of consecutive naturals, for example, 139515245 + ... + 139515264.

Almost surely, 2^2790305090 is an apocalyptic number.

2790305090 is a deficient number, since it is larger than the sum of its proper divisors (2232244090).

2790305090 is a wasteful number, since it uses less digits than its factorization.

2790305090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279030516.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 2790305090 is about 52823.3384972968. The cubic root of 2790305090 is about 1407.8311289296.

The spelling of 2790305090 in words is "two billion, seven hundred ninety million, three hundred five thousand, ninety".