268401807 has 6 divisors (see below), whose sum is σ = 387691512. Its totient is φ = 178934532.

The previous prime is 268401773. The next prime is 268401817. The reversal of 268401807 is 708104862.

It is not a de Polignac number, because 268401807 - 2¹¹ = 268399759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268401817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14911203 + ... + 14911220.

It is an arithmetic number, because the mean of its divisors is an integer number (64615252).

Almost surely, 2^268401807 is an apocalyptic number.

268401807 is a deficient number, since it is larger than the sum of its proper divisors (119289705).

268401807 is a wasteful number, since it uses less digits than its factorization.

268401807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29822429 (or 29822426 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 268401807 is about 16382.9730818310. The cubic root of 268401807 is about 645.0526223517.

The spelling of 268401807 in words is "two hundred sixty-eight million, four hundred one thousand, eight hundred seven".