330574640 has 80 divisors (see below), whose sum is σ = 852802560. Its totient is φ = 118152960.

The previous prime is 330574603. The next prime is 330574661. The reversal of 330574640 is 46475033.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×330574640² = 218559185222259200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 330574597 and 330574606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48737 + ... + 55103.

It is an arithmetic number, because the mean of its divisors is an integer number (10660032).

Almost surely, 2^330574640 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 330574640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426401280).

330574640 is an abundant number, since it is smaller than the sum of its proper divisors (522227920).

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

330574640 is a wasteful number, since it uses less digits than its factorization.

330574640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6450 (or 6444 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 330574640 is about 18181.7116905972. The cubic root of 330574640 is about 691.4432020803.

The spelling of 330574640 in words is "three hundred thirty million, five hundred seventy-four thousand, six hundred forty".