2090780584 has 8 divisors (see below), whose sum is σ = 3920213610. Its totient is φ = 1045390288.

The previous prime is 2090780563. The next prime is 2090780591. The reversal of 2090780584 is 4850870902.

It can be written as a sum of positive squares in only one way, i.e., 1847108484 + 243672100 = 42978^2 + 15610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2090780584.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130673779 + ... + 130673794.

Almost surely, 2^2090780584 is an apocalyptic number.

It is an amenable number.

2090780584 is a deficient number, since it is larger than the sum of its proper divisors (1829433026).

2090780584 is a wasteful number, since it uses less digits than its factorization.

2090780584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261347579 (or 261347575 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 2090780584 is about 45725.0542263210. The cubic root of 2090780584 is about 1278.7024171336.

The spelling of 2090780584 in words is "two billion, ninety million, seven hundred eighty thousand, five hundred eighty-four".