332628388285 has 4 divisors (see below), whose sum is σ = 399154065948. Its totient is φ = 266102710624.

The previous prime is 332628388283. The next prime is 332628388289. The reversal of 332628388285 is 582883826233.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 250798636804 + 81829751481 = 500798^2 + 286059^2 .

It is a cyclic number.

It is not a de Polignac number, because 332628388285 - 2¹ = 332628388283 is a prime.

It is a super-2 number, since 2×332628388285² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332628388283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33262838824 + ... + 33262838833.

It is an arithmetic number, because the mean of its divisors is an integer number (99788516487).

Almost surely, 2^332628388285 is an apocalyptic number.

It is an amenable number.

332628388285 is a deficient number, since it is larger than the sum of its proper divisors (66525677663).

332628388285 is an equidigital number, since it uses as much as digits as its factorization.

332628388285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66525677662.

The product of its digits is 26542080, while the sum is 58.

The spelling of 332628388285 in words is "three hundred thirty-two billion, six hundred twenty-eight million, three hundred eighty-eight thousand, two hundred eighty-five".