628217372232 has 108 divisors (see below), whose sum is σ = 1762662110235. Its totient is φ = 202122130560.

The previous prime is 628217372231. The next prime is 628217372269. The reversal of 628217372232 is 232273712826.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

628217372232 is a `hidden beast` number, since 6 + 28 + 21 + 7 + 372 + 232 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 497270370276 + 130947001956 = 705174^2 + 361866^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=560454.

It is not an unprimeable number, because it can be changed into a prime (628217372231) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 195036382 + ... + 195039602.

Almost surely, 2^628217372232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628217372232

628217372232 is an abundant number, since it is smaller than the sum of its proper divisors (1134444738003).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628217372232 is an equidigital number, since it uses as much as digits as its factorization.

628217372232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6512 (or 3255 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The spelling of 628217372232 in words is "six hundred twenty-eight billion, two hundred seventeen million, three hundred seventy-two thousand, two hundred thirty-two".