268319420 has 12 divisors (see below), whose sum is σ = 563470824. Its totient is φ = 107327760.

The previous prime is 268319417. The next prime is 268319453. The reversal of 268319420 is 24913862.

It is a super-2 number, since 2×268319420² = 143990622298272800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6707966 + ... + 6708005.

It is an arithmetic number, because the mean of its divisors is an integer number (46955902).

Almost surely, 2^268319420 is an apocalyptic number.

268319420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268319420 is an abundant number, since it is smaller than the sum of its proper divisors (295151404).

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

268319420 is a wasteful number, since it uses less digits than its factorization.

268319420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13415980 (or 13415978 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 268319420 is about 16380.4584795420. The cubic root of 268319420 is about 644.9866151099.

The spelling of 268319420 in words is "two hundred sixty-eight million, three hundred nineteen thousand, four hundred twenty".