268261057 has 16 divisors (see below), whose sum is σ = 287712000. Its totient is φ = 249381504.

The previous prime is 268261051. The next prime is 268261067. The reversal of 268261057 is 750162862.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 268261057 - 2¹¹ = 268259009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268261051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372744 + ... + 373462.

It is an arithmetic number, because the mean of its divisors is an integer number (17982000).

Almost surely, 2^268261057 is an apocalyptic number.

It is an amenable number.

268261057 is a deficient number, since it is larger than the sum of its proper divisors (19450943).

268261057 is a wasteful number, since it uses less digits than its factorization.

268261057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 268261057 is about 16378.6769001650. The cubic root of 268261057 is about 644.9398473639.

The spelling of 268261057 in words is "two hundred sixty-eight million, two hundred sixty-one thousand, fifty-seven".