2606088690 has 48 divisors (see below), whose sum is σ = 6804966168. Its totient is φ = 691968768.

The previous prime is 2606088689. The next prime is 2606088691. The reversal of 2606088690 is 968806062.

It is an interprime number because it is at equal distance from previous prime (2606088689) and next prime (2606088691).

It can be written as a sum of positive squares in 4 ways, for example, as 1472487129 + 1133601561 = 38373^2 + 33669^2 .

It is a super-2 number, since 2×2606088690² = 13583396520291832200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2606088691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41169 + ... + 83108.

Almost surely, 2^2606088690 is an apocalyptic number.

2606088690 is an abundant number, since it is smaller than the sum of its proper divisors (4198877478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2606088690 is a wasteful number, since it uses less digits than its factorization.

2606088690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124523 (or 124520 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2606088690 is about 51049.8647402713. The cubic root of 2606088690 is about 1376.1414108009.

The spelling of 2606088690 in words is "two billion, six hundred six million, eighty-eight thousand, six hundred ninety".