330642432 has 88 divisors (see below), whose sum is σ = 979284800. Its totient is φ = 110204928.

The previous prime is 330642421. The next prime is 330642467. The reversal of 330642432 is 234246033.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 330642396 and 330642405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21669 + ... + 33627.

Almost surely, 2^330642432 is an apocalyptic number.

330642432 is a gapful number since it is divisible by the number (32) 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 330642432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489642400).

330642432 is an abundant number, since it is smaller than the sum of its proper divisors (648642368).

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

330642432 is a wasteful number, since it uses less digits than its factorization.

330642432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11988 (or 11964 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 330642432 is about 18183.5758859472. The cubic root of 330642432 is about 691.4904643403.

Adding to 330642432 its reverse (234246033), we get a palindrome (564888465).

The spelling of 330642432 in words is "three hundred thirty million, six hundred forty-two thousand, four hundred thirty-two".