328520840463 has 6 divisors (see below), whose sum is σ = 474530102904. Its totient is φ = 219013893636.

The previous prime is 328520840411. The next prime is 328520840497. The reversal of 328520840463 is 364048025823.

328520840463 is a `hidden beast` number, since 3 + 2 + 8 + 520 + 84 + 0 + 46 + 3 = 666.

It is not a de Polignac number, because 328520840463 - 2²⁴ = 328504063247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328520890463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18251157795 + ... + 18251157812.

It is an arithmetic number, because the mean of its divisors is an integer number (79088350484).

Almost surely, 2^328520840463 is an apocalyptic number.

328520840463 is a deficient number, since it is larger than the sum of its proper divisors (146009262441).

328520840463 is a wasteful number, since it uses less digits than its factorization.

328520840463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36502315613 (or 36502315610 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 328520840463 in words is "three hundred twenty-eight billion, five hundred twenty million, eight hundred forty thousand, four hundred sixty-three".