275211464 has 16 divisors (see below), whose sum is σ = 562932720. Its totient is φ = 125096080.

The previous prime is 275211451. The next prime is 275211467. The reversal of 275211464 is 464112572.

It is a self number, because there is not a number n which added to its sum of digits gives 275211464.

It is not an unprimeable number, because it can be changed into a prime (275211467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1563614 + ... + 1563789.

It is an arithmetic number, because the mean of its divisors is an integer number (35183295).

Almost surely, 2^275211464 is an apocalyptic number.

It is an amenable number.

275211464 is an abundant number, since it is smaller than the sum of its proper divisors (287721256).

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

275211464 is a wasteful number, since it uses less digits than its factorization.

275211464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127420 (or 3127416 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 275211464 is about 16589.4986060459. The cubic root of 275211464 is about 650.4623645194.

The spelling of 275211464 in words is "two hundred seventy-five million, two hundred eleven thousand, four hundred sixty-four".