268273480 has 32 divisors (see below), whose sum is σ = 604749240. Its totient is φ = 107107840.

The previous prime is 268273471. The next prime is 268273487. The reversal of 268273480 is 84372862.

It can be written as a sum of positive squares in 4 ways, for example, as 173132964 + 95140516 = 13158^2 + 9754^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (268273487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16260 + ... + 28300.

Almost surely, 2^268273480 is an apocalyptic number.

268273480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268273480 is an abundant number, since it is smaller than the sum of its proper divisors (336475760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268273480 is a wasteful number, since it uses less digits than its factorization.

268273480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12609 (or 12605 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 268273480 is about 16379.0561388622. The cubic root of 268273480 is about 644.9498027958.

The spelling of 268273480 in words is "two hundred sixty-eight million, two hundred seventy-three thousand, four hundred eighty".