13334221890 has 256 divisors, whose sum is σ = 40270970880. Its totient is φ = 3110400000.

The previous prime is 13334221889. The next prime is 13334221909. The reversal of 13334221890 is 9812243331.

13334221890 is a `hidden beast` number, since 13 + 3 + 342 + 218 + 90 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23109282 + ... + 23109858.

It is an arithmetic number, because the mean of its divisors is an integer number (157308480).

Almost surely, 2^13334221890 is an apocalyptic number.

13334221890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13334221890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20135485440).

13334221890 is an abundant number, since it is smaller than the sum of its proper divisors (26936748990).

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

13334221890 is a wasteful number, since it uses less digits than its factorization.

13334221890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 13334221890 in words is "thirteen billion, three hundred thirty-four million, two hundred twenty-one thousand, eight hundred ninety".