268882840 has 32 divisors (see below), whose sum is σ = 624504960. Its totient is φ = 104083200.

The previous prime is 268882807. The next prime is 268882841. The reversal of 268882840 is 48288862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268882841) 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 7 ways as a sum of consecutive naturals, for example, 107181 + ... + 109660.

It is an arithmetic number, because the mean of its divisors is an integer number (19515780).

Almost surely, 2^268882840 is an apocalyptic number.

268882840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268882840 is an abundant number, since it is smaller than the sum of its proper divisors (355622120).

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

268882840 is a wasteful number, since it uses less digits than its factorization.

268882840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216883 (or 216879 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 46.

The square root of 268882840 is about 16397.6473922328. The cubic root of 268882840 is about 645.4377494322.

The spelling of 268882840 in words is "two hundred sixty-eight million, eight hundred eighty-two thousand, eight hundred forty".