330767680 has 56 divisors (see below), whose sum is σ = 791093160. Its totient is φ = 131727360.

The previous prime is 330767659. The next prime is 330767683. The reversal of 330767680 is 86767033.

It can be written as a sum of positive squares in 4 ways, for example, as 145154304 + 185613376 = 12048^2 + 13624^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330767683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74976 + ... + 79264.

Almost surely, 2^330767680 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 330767680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395546580).

330767680 is an abundant number, since it is smaller than the sum of its proper divisors (460325480).

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

330767680 is a wasteful number, since it uses less digits than its factorization.

330767680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547 (or 4537 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 330767680 is about 18187.0195469186. The cubic root of 330767680 is about 691.5777659647.

The spelling of 330767680 in words is "three hundred thirty million, seven hundred sixty-seven thousand, six hundred eighty".