288128308628 has 12 divisors (see below), whose sum is σ = 504329598612. Its totient is φ = 144034137600.

The previous prime is 288128308621. The next prime is 288128308681. The reversal of 288128308628 is 826803821882.

It can be written as a sum of positive squares in 2 ways, for example, as 64949541904 + 223178766724 = 254852^2 + 472418^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288128308621) 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, 7482575 + ... + 7520982.

It is an arithmetic number, because the mean of its divisors is an integer number (42027466551).

Almost surely, 2^288128308628 is an apocalyptic number.

It is an amenable number.

288128308628 is a deficient number, since it is larger than the sum of its proper divisors (216201289984).

288128308628 is a wasteful number, since it uses less digits than its factorization.

288128308628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15008362 (or 15008360 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 56.

The spelling of 288128308628 in words is "two hundred eighty-eight billion, one hundred twenty-eight million, three hundred eight thousand, six hundred twenty-eight".