330506240 has 56 divisors (see below), whose sum is σ = 793264860. Its totient is φ = 132186112.

The previous prime is 330506227. The next prime is 330506291. The reversal of 330506240 is 42605033.

It can be written as a sum of positive squares in 2 ways, for example, as 270536704 + 59969536 = 16448^2 + 7744^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36926 + ... + 44994.

Almost surely, 2^330506240 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 330506240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396632430).

330506240 is an abundant number, since it is smaller than the sum of its proper divisors (462758620).

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

330506240 is an frugal number, since it uses more digits than its factorization.

330506240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100 (or 8076 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 330506240 is about 18179.8305822689. The cubic root of 330506240 is about 691.3955093945.

The spelling of 330506240 in words is "three hundred thirty million, five hundred six thousand, two hundred forty".