328017650805 has 72 divisors (see below), whose sum is σ = 619225132968. Its totient is φ = 160551525888.

The previous prime is 328017650803. The next prime is 328017650837. The reversal of 328017650805 is 508056710823.

It can be written as a sum of positive squares in 12 ways, for example, as 73526660964 + 254490989841 = 271158^2 + 504471^2 .

It is not a de Polignac number, because 328017650805 - 2¹ = 328017650803 is a prime.

It is a super-4 number, since 4×328017650805⁴ (a number of 47 digits) contains 4444 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328017650803) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1191007 + ... + 1440323.

It is an arithmetic number, because the mean of its divisors is an integer number (8600349069).

Almost surely, 2^328017650805 is an apocalyptic number.

It is an amenable number.

328017650805 is a deficient number, since it is larger than the sum of its proper divisors (291207482163).

328017650805 is a wasteful number, since it uses less digits than its factorization.

328017650805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249527 (or 249511 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 328017650805 in words is "three hundred twenty-eight billion, seventeen million, six hundred fifty thousand, eight hundred five".