268890416 has 10 divisors (see below), whose sum is σ = 520975212. Its totient is φ = 134445200.

The previous prime is 268890403. The next prime is 268890421. The reversal of 268890416 is 614098862.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8402810 + ... + 8402841.

Almost surely, 2^268890416 is an apocalyptic number.

It is an amenable number.

268890416 is a deficient number, since it is larger than the sum of its proper divisors (252084796).

268890416 is a wasteful number, since it uses less digits than its factorization.

268890416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16805659 (or 16805653 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 268890416 is about 16397.8783993540. The cubic root of 268890416 is about 645.4438112923.

The spelling of 268890416 in words is "two hundred sixty-eight million, eight hundred ninety thousand, four hundred sixteen".