330000780 has 144 divisors (see below), whose sum is σ = 995559264. Its totient is φ = 81607680.

The previous prime is 330000767. The next prime is 330000809. The reversal of 330000780 is 87000033.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1174240 + ... + 1174520.

It is an arithmetic number, because the mean of its divisors is an integer number (6913606).

Almost surely, 2^330000780 is an apocalyptic number.

330000780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 330000780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497779632).

330000780 is an abundant number, since it is smaller than the sum of its proper divisors (665558484).

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

330000780 is a wasteful number, since it uses less digits than its factorization.

330000780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 330000780 is about 18165.9235933657. The cubic root of 330000780 is about 691.0428674583.

The spelling of 330000780 in words is "three hundred thirty million, seven hundred eighty", and thus it is an aban number.