330138816 has 56 divisors (see below), whose sum is σ = 998280960. Its totient is φ = 94324992.

The previous prime is 330138769. The next prime is 330138869. The reversal of 330138816 is 618831033.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121476 + ... + 124163.

Almost surely, 2^330138816 is an apocalyptic number.

It is an amenable number.

330138816 is an abundant number, since it is smaller than the sum of its proper divisors (668142144).

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

330138816 is a wasteful number, since it uses less digits than its factorization.

330138816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245661 (or 245651 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 330138816 is about 18169.7225075123. The cubic root of 330138816 is about 691.1392061157.

Adding to 330138816 its reverse (618831033), we get a palindrome (948969849).

The spelling of 330138816 in words is "three hundred thirty million, one hundred thirty-eight thousand, eight hundred sixteen".