268028501 has 8 divisors (see below), whose sum is σ = 290585400. Its totient is φ = 245748672.

The previous prime is 268028491. The next prime is 268028543. The reversal of 268028501 is 105820862.

It can be written as a sum of positive squares in 4 ways, for example, as 7980625 + 260047876 = 2825^2 + 16126^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268028501 - 2¹⁴ = 268012117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268028401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67250 + ... + 71123.

It is an arithmetic number, because the mean of its divisors is an integer number (36323175).

Almost surely, 2^268028501 is an apocalyptic number.

It is an amenable number.

268028501 is a deficient number, since it is larger than the sum of its proper divisors (22556899).

268028501 is a wasteful number, since it uses less digits than its factorization.

268028501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138535.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 268028501 is about 16371.5760084361. The cubic root of 268028501 is about 644.7534269738.

The spelling of 268028501 in words is "two hundred sixty-eight million, twenty-eight thousand, five hundred one".