330001280 has 192 divisors, whose sum is σ = 973263600. Its totient is φ = 106315776.

The previous prime is 330001279. The next prime is 330001303. The reversal of 330001280 is 82100033.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 532811 + ... + 533429.

Almost surely, 2^330001280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 330001280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486631800).

330001280 is an abundant number, since it is smaller than the sum of its proper divisors (643262320).

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

330001280 is a wasteful number, since it uses less digits than its factorization.

330001280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 330001280 is about 18165.9373553913. The cubic root of 330001280 is about 691.0432164688.

The spelling of 330001280 in words is "three hundred thirty million, one thousand, two hundred eighty".