268481507 has 16 divisors (see below), whose sum is σ = 331223040. Its totient is φ = 212527392.

The previous prime is 268481501. The next prime is 268481513. The reversal of 268481507 is 705184862.

It is an interprime number because it is at equal distance from previous prime (268481501) and next prime (268481513).

It is not a de Polignac number, because 268481507 - 2⁶ = 268481443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268481501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24083 + ... + 33420.

It is an arithmetic number, because the mean of its divisors is an integer number (20701440).

Almost surely, 2^268481507 is an apocalyptic number.

268481507 is a deficient number, since it is larger than the sum of its proper divisors (62741533).

268481507 is a wasteful number, since it uses less digits than its factorization.

268481507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57562.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 268481507 is about 16385.4053047216. The cubic root of 268481507 is about 645.1164639564.

The spelling of 268481507 in words is "two hundred sixty-eight million, four hundred eighty-one thousand, five hundred seven".