328332437280 has 480 divisors, whose sum is σ = 1216300022784. Its totient is φ = 83251390464.

The previous prime is 328332437207. The next prime is 328332437287. The reversal of 328332437280 is 82734233823.

328332437280 is a `hidden beast` number, since 3 + 2 + 8 + 332 + 4 + 37 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (328332437287) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 51564657 + ... + 51571023.

Almost surely, 2^328332437280 is an apocalyptic number.

328332437280 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 328332437280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608150011392).

328332437280 is an abundant number, since it is smaller than the sum of its proper divisors (887967585504).

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

328332437280 is a wasteful number, since it uses less digits than its factorization.

328332437280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6590 (or 6573 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 328332437280 in words is "three hundred twenty-eight billion, three hundred thirty-two million, four hundred thirty-seven thousand, two hundred eighty".