268612090 has 16 divisors (see below), whose sum is σ = 483841800. Its totient is φ = 107369280.

The previous prime is 268612067. The next prime is 268612103. The reversal of 268612090 is 90216862.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 243079281 + 25532809 = 15591^2 + 5053^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6820 + ... + 24160.

Almost surely, 2^268612090 is an apocalyptic number.

268612090 is a deficient number, since it is larger than the sum of its proper divisors (215229710).

268612090 is a wasteful number, since it uses less digits than its factorization.

268612090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18897.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 268612090 is about 16389.3895554410. The cubic root of 268612090 is about 645.2210367569.

The spelling of 268612090 in words is "two hundred sixty-eight million, six hundred twelve thousand, ninety".