275144828 has 12 divisors (see below), whose sum is σ = 550289712. Its totient is φ = 117919200.

The previous prime is 275144819. The next prime is 275144843. The reversal of 275144828 is 828441572.

275144828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

275144828 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4913273 + ... + 4913328.

It is an arithmetic number, because the mean of its divisors is an integer number (45857476).

Almost surely, 2^275144828 is an apocalyptic number.

275144828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

275144828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

275144828 is a wasteful number, since it uses less digits than its factorization.

275144828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9826612 (or 9826610 counting only the distinct ones).

The product of its digits is 143360, while the sum is 41.

The square root of 275144828 is about 16587.4901054982. The cubic root of 275144828 is about 650.4098622141.

The spelling of 275144828 in words is "two hundred seventy-five million, one hundred forty-four thousand, eight hundred twenty-eight".