275019828 has 48 divisors (see below), whose sum is σ = 651841344. Its totient is φ = 90238720.

The previous prime is 275019821. The next prime is 275019839. The reversal of 275019828 is 828910572.

It is a self number, because there is not a number n which added to its sum of digits gives 275019828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275019821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214726 + ... + 216002.

It is an arithmetic number, because the mean of its divisors is an integer number (13580028).

Almost surely, 2^275019828 is an apocalyptic number.

It is an amenable number.

275019828 is an abundant number, since it is smaller than the sum of its proper divisors (376821516).

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

275019828 is a wasteful number, since it uses less digits than its factorization.

275019828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 275019828 is about 16583.7217776951. The cubic root of 275019828 is about 650.3113522181.

It can be divided in two parts, 2750 and 19828, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 275019828 in words is "two hundred seventy-five million, nineteen thousand, eight hundred twenty-eight".