268273449 has 12 divisors (see below), whose sum is σ = 404354496. Its totient is φ = 171072792.

The previous prime is 268273399. The next prime is 268273471. The reversal of 268273449 is 944372862.

It is not a de Polignac number, because 268273449 - 2⁸ = 268273193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268273849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 647797 + ... + 648210.

It is an arithmetic number, because the mean of its divisors is an integer number (33696208).

Almost surely, 2^268273449 is an apocalyptic number.

It is an amenable number.

268273449 is a deficient number, since it is larger than the sum of its proper divisors (136081047).

268273449 is a wasteful number, since it uses less digits than its factorization.

268273449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296036 (or 1296033 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 268273449 is about 16379.0551925317. The cubic root of 268273449 is about 644.9497779537.

It can be divided in two parts, 26827 and 3449, that added together give a square (30276 = 174²).

The spelling of 268273449 in words is "two hundred sixty-eight million, two hundred seventy-three thousand, four hundred forty-nine".