2605028290 has 32 divisors (see below), whose sum is σ = 4819433904. Its totient is φ = 1013080320.

The previous prime is 2605028263. The next prime is 2605028299. The reversal of 2605028290 is 928205062.

It can be written as a sum of positive squares in 8 ways, for example, as 383885649 + 2221142641 = 19593^2 + 47129^2 .

It is not an unprimeable number, because it can be changed into a prime (2605028299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879492 + ... + 882448.

Almost surely, 2^2605028290 is an apocalyptic number.

2605028290 is a deficient number, since it is larger than the sum of its proper divisors (2214405614).

2605028290 is a wasteful number, since it uses less digits than its factorization.

2605028290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5382.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2605028290 is about 51039.4777598674. The cubic root of 2605028290 is about 1375.9547379114.

The spelling of 2605028290 in words is "two billion, six hundred five million, twenty-eight thousand, two hundred ninety".