275162820 has 48 divisors (see below), whose sum is σ = 795314688. Its totient is φ = 71009280.

The previous prime is 275162819. The next prime is 275162837. The reversal of 275162820 is 28261572.

275162820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×275162820³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72109 + ... + 75828.

It is an arithmetic number, because the mean of its divisors is an integer number (16569056).

Almost surely, 2^275162820 is an apocalyptic number.

275162820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275162820 is an abundant number, since it is smaller than the sum of its proper divisors (520151868).

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

275162820 is a wasteful number, since it uses less digits than its factorization.

275162820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147980 (or 147978 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 275162820 is about 16588.0324330525. The cubic root of 275162820 is about 650.4240388925.

The spelling of 275162820 in words is "two hundred seventy-five million, one hundred sixty-two thousand, eight hundred twenty".