328261341540 has 48 divisors (see below), whose sum is σ = 1002689190720. Its totient is φ = 79578506880.

The previous prime is 328261341539. The next prime is 328261341599. The reversal of 328261341540 is 45143162823.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248682175 + ... + 248683494.

It is an arithmetic number, because the mean of its divisors is an integer number (20889358140).

Almost surely, 2^328261341540 is an apocalyptic number.

328261341540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328261341540 is an abundant number, since it is smaller than the sum of its proper divisors (674427849180).

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

328261341540 is a wasteful number, since it uses less digits than its factorization.

328261341540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497365692 (or 497365690 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 328261341540 in words is "three hundred twenty-eight billion, two hundred sixty-one million, three hundred forty-one thousand, five hundred forty".