328526354881 has 8 divisors (see below), whose sum is σ = 339186595328. Its totient is φ = 317870028000.

The previous prime is 328526354867. The next prime is 328526354899. The reversal of 328526354881 is 188453625823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328526354881 - 2⁹ = 328526354369 is a prime.

It is a super-2 number, since 2×328526354881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328526354831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807300 + ... + 1144021.

It is an arithmetic number, because the mean of its divisors is an integer number (42398324416).

Almost surely, 2^328526354881 is an apocalyptic number.

328526354881 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

328526354881 is a deficient number, since it is larger than the sum of its proper divisors (10660240447).

328526354881 is a wasteful number, since it uses less digits than its factorization.

328526354881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956783.

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

The spelling of 328526354881 in words is "three hundred twenty-eight billion, five hundred twenty-six million, three hundred fifty-four thousand, eight hundred eighty-one".