275128002 has 24 divisors (see below), whose sum is σ = 618189936. Its totient is φ = 91709172.

The previous prime is 275127997. The next prime is 275128013. The reversal of 275128002 is 200821572.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282568 + ... + 283539.

It is an arithmetic number, because the mean of its divisors is an integer number (25757914).

Almost surely, 2^275128002 is an apocalyptic number.

275128002 is an abundant number, since it is smaller than the sum of its proper divisors (343061934).

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

275128002 is an equidigital number, since it uses as much as digits as its factorization.

275128002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566124 (or 566112 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 275128002 is about 16586.9829082929. The cubic root of 275128002 is about 650.3966037186.

Adding to 275128002 its reverse (200821572), we get a palindrome (475949574).

The spelling of 275128002 in words is "two hundred seventy-five million, one hundred twenty-eight thousand, two".