268913290 has 8 divisors (see below), whose sum is σ = 484043940. Its totient is φ = 107565312.

The previous prime is 268913287. The next prime is 268913321. The reversal of 268913290 is 92319862.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 250620561 + 18292729 = 15831^2 + 4277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13445655 + ... + 13445674.

Almost surely, 2^268913290 is an apocalyptic number.

268913290 is a deficient number, since it is larger than the sum of its proper divisors (215130650).

268913290 is a wasteful number, since it uses less digits than its factorization.

268913290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26891336.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 268913290 is about 16398.5758527989. The cubic root of 268913290 is about 645.4621130021.

The spelling of 268913290 in words is "two hundred sixty-eight million, nine hundred thirteen thousand, two hundred ninety".