275856012 has 18 divisors (see below), whose sum is σ = 697302788. Its totient is φ = 91951992.

The previous prime is 275855981. The next prime is 275856017. The reversal of 275856012 is 210658572.

It is a happy number.

275856012 is a `hidden beast` number, since 2 + 7 + 585 + 60 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7662667 = 275856012 / (2 + 7 + 5 + 8 + 5 + 6 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (275856017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3831298 + ... + 3831369.

Almost surely, 2^275856012 is an apocalyptic number.

It is an amenable number.

275856012 is an abundant number, since it is smaller than the sum of its proper divisors (421446776).

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

275856012 is a wasteful number, since it uses less digits than its factorization.

275856012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7662677 (or 7662672 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 275856012 is about 16608.9136309393. The cubic root of 275856012 is about 650.9697650664.

275856012 divided by its sum of digits (36) gives a palindrome (7662667).

It can be divided in two parts, 2758560 and 12, that added together give a palindrome (2758572).

The spelling of 275856012 in words is "two hundred seventy-five million, eight hundred fifty-six thousand, twelve".