268418626890 has 64 divisors (see below), whose sum is σ = 650261589120. Its totient is φ = 70905611520.

The previous prime is 268418626841. The next prime is 268418626891. The reversal of 268418626890 is 98626814862.

268418626890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (268418626891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23966772 + ... + 23977968.

It is an arithmetic number, because the mean of its divisors is an integer number (10160337330).

Almost surely, 2^268418626890 is an apocalyptic number.

268418626890 is an abundant number, since it is smaller than the sum of its proper divisors (381842962230).

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

268418626890 is a wasteful number, since it uses less digits than its factorization.

268418626890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18647.

The product of its (nonzero) digits is 15925248, while the sum is 60.

The spelling of 268418626890 in words is "two hundred sixty-eight billion, four hundred eighteen million, six hundred twenty-six thousand, eight hundred ninety".