252155466 has 24 divisors (see below), whose sum is σ = 548795520. Its totient is φ = 83673576.

The previous prime is 252155461. The next prime is 252155467. The reversal of 252155466 is 664551252.

252155466 is a `hidden beast` number, since 25 + 21 + 554 + 66 = 666.

252155466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 252155466.

It is not an unprimeable number, because it can be changed into a prime (252155461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27396 + ... + 35423.

It is an arithmetic number, because the mean of its divisors is an integer number (22866480).

Almost surely, 2^252155466 is an apocalyptic number.

252155466 is an abundant number, since it is smaller than the sum of its proper divisors (296640054).

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

252155466 is a wasteful number, since it uses less digits than its factorization.

252155466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63050 (or 63047 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 252155466 is about 15879.4038301191. The cubic root of 252155466 is about 631.7658244870.

The spelling of 252155466 in words is "two hundred fifty-two million, one hundred fifty-five thousand, four hundred sixty-six".