328508520038416 has 45 divisors (see below), whose sum is σ = 639193233062431. Its totient is φ = 163558376294432.

The previous prime is 328508520038401. The next prime is 328508520038423. The reversal of 328508520038416 is 614830025805823.

The square root of 328508520038416 is 18124804.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×328508520038416² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17327303145 + ... + 17327322103.

Almost surely, 2^{328508520038416} is an apocalyptic number.

328508520038416 is the 18124804-th square number.

It is an amenable number.

328508520038416 is a deficient number, since it is larger than the sum of its proper divisors (310684713024015).

328508520038416 is an frugal number, since it uses more digits than its factorization.

328508520038416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38404 (or 19200 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 328508520038416 in words is "three hundred twenty-eight trillion, five hundred eight billion, five hundred twenty million, thirty-eight thousand, four hundred sixteen".