330681456 has 120 divisors (see below), whose sum is σ = 1062681984. Its totient is φ = 94032000.

The previous prime is 330681451. The next prime is 330681473. The reversal of 330681456 is 654186033.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 330681456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330681451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252355 + ... + 253661.

Almost surely, 2^330681456 is an apocalyptic number.

330681456 is a gapful number since it is divisible by the number (36) 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 330681456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531340992).

330681456 is an abundant number, since it is smaller than the sum of its proper divisors (732000528).

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

330681456 is a wasteful number, since it uses less digits than its factorization.

330681456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579 (or 1570 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 330681456 is about 18184.6489105509. The cubic root of 330681456 is about 691.5176676065.

The spelling of 330681456 in words is "three hundred thirty million, six hundred eighty-one thousand, four hundred fifty-six".