268776453 has 24 divisors (see below), whose sum is σ = 397863648. Its totient is φ = 161260000.

The previous prime is 268776439. The next prime is 268776457. The reversal of 268776453 is 354677862.

It is not a de Polignac number, because 268776453 - 2⁵ = 268776421 is a prime.

It is a super-2 number, since 2×268776453² = 144481563374522418, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268776457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32998 + ... + 40328.

It is an arithmetic number, because the mean of its divisors is an integer number (16577652).

Almost surely, 2^268776453 is an apocalyptic number.

It is an amenable number.

268776453 is a deficient number, since it is larger than the sum of its proper divisors (129087195).

268776453 is a wasteful number, since it uses less digits than its factorization.

268776453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457 (or 7446 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The square root of 268776453 is about 16394.4030998387. The cubic root of 268776453 is about 645.3526129169.

The spelling of 268776453 in words is "two hundred sixty-eight million, seven hundred seventy-six thousand, four hundred fifty-three".