330621040 has 40 divisors (see below), whose sum is σ = 772093440. Its totient is φ = 131663616.

The previous prime is 330621019. The next prime is 330621041. The reversal of 330621040 is 40126033.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 330620999 and 330621017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330621041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9297 + ... + 27343.

It is an arithmetic number, because the mean of its divisors is an integer number (19302336).

Almost surely, 2^330621040 is an apocalyptic number.

It is an amenable number.

330621040 is an abundant number, since it is smaller than the sum of its proper divisors (441472400).

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

330621040 is a wasteful number, since it uses less digits than its factorization.

330621040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18289 (or 18283 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 330621040 is about 18182.9876532983. The cubic root of 330621040 is about 691.4755512684.

Adding to 330621040 its reverse (40126033), we get a palindrome (370747073).

The spelling of 330621040 in words is "three hundred thirty million, six hundred twenty-one thousand, forty".