268343934420 has 48 divisors (see below), whose sum is σ = 754135619328. Its totient is φ = 71294325120.

The previous prime is 268343934413. The next prime is 268343934427. The reversal of 268343934420 is 24439343862.

It is an interprime number because it is at equal distance from previous prime (268343934413) and next prime (268343934427).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 268343934420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268343934427) 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, 8235399 + ... + 8267918.

It is an arithmetic number, because the mean of its divisors is an integer number (15711158736).

Almost surely, 2^268343934420 is an apocalyptic number.

268343934420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268343934420 is an abundant number, since it is smaller than the sum of its proper divisors (485791684908).

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

268343934420 is a wasteful number, since it uses less digits than its factorization.

268343934420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16503600 (or 16503598 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 48.

The spelling of 268343934420 in words is "two hundred sixty-eight billion, three hundred forty-three million, nine hundred thirty-four thousand, four hundred twenty".