268140829420 has 48 divisors (see below), whose sum is σ = 568718000928. Its totient is φ = 106186695680.

The previous prime is 268140829409. The next prime is 268140829447. The reversal of 268140829420 is 24928041862.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3412980 + ... + 3490660.

It is an arithmetic number, because the mean of its divisors is an integer number (11848291686).

Almost surely, 2^268140829420 is an apocalyptic number.

268140829420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268140829420 is an abundant number, since it is smaller than the sum of its proper divisors (300577171508).

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

268140829420 is a wasteful number, since it uses less digits than its factorization.

268140829420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79410 (or 79408 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 268140829420 in words is "two hundred sixty-eight billion, one hundred forty million, eight hundred twenty-nine thousand, four hundred twenty".