269042085 has 72 divisors (see below), whose sum is σ = 534932424. Its totient is φ = 124600320.

The previous prime is 269042069. The next prime is 269042089. The reversal of 269042085 is 580240962.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 129754881 + 139287204 = 11391^2 + 11802^2 .

It is not a de Polignac number, because 269042085 - 2⁴ = 269042069 is a prime.

It is a super-2 number, since 2×269042085² = 144767287002294450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269042089) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 128245 + ... + 130325.

It is an arithmetic number, because the mean of its divisors is an integer number (7429617).

Almost surely, 2^269042085 is an apocalyptic number.

It is an amenable number.

269042085 is a deficient number, since it is larger than the sum of its proper divisors (265890339).

269042085 is a wasteful number, since it uses less digits than its factorization.

269042085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135 (or 2119 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 269042085 is about 16402.5024005485. The cubic root of 269042085 is about 645.5651437652.

The spelling of 269042085 in words is "two hundred sixty-nine million, forty-two thousand, eighty-five".