275164452 has 72 divisors (see below), whose sum is σ = 727158432. Its totient is φ = 90979200.

The previous prime is 275164451. The next prime is 275164471. The reversal of 275164452 is 254461572.

It is a happy number.

275164452 is a `hidden beast` number, since 2 + 7 + 5 + 1 + 644 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (275164451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126252 + ... + 128412.

Almost surely, 2^275164452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275164452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363579216).

275164452 is an abundant number, since it is smaller than the sum of its proper divisors (451993980).

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

275164452 is a wasteful number, since it uses less digits than its factorization.

275164452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311 (or 2297 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 275164452 is about 16588.0816250705. The cubic root of 275164452 is about 650.4253247856.

The spelling of 275164452 in words is "two hundred seventy-five million, one hundred sixty-four thousand, four hundred fifty-two".