328840600240 has 40 divisors (see below), whose sum is σ = 809528186880. Its totient is φ = 123798813696.

The previous prime is 328840600237. The next prime is 328840600279. The reversal of 328840600240 is 42006048823.

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

It is a super-2 number, since 2×328840600240² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 328840600240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120895920 + ... + 120898639.

It is an arithmetic number, because the mean of its divisors is an integer number (20238204672).

Almost surely, 2^328840600240 is an apocalyptic number.

It is an amenable number.

328840600240 is an abundant number, since it is smaller than the sum of its proper divisors (480687586640).

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

328840600240 is a wasteful number, since it uses less digits than its factorization.

328840600240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241794589 (or 241794583 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 328840600240 in words is "three hundred twenty-eight billion, eight hundred forty million, six hundred thousand, two hundred forty".