218029452 has 24 divisors (see below), whose sum is σ = 511861056. Its totient is φ = 72229968.

The previous prime is 218029451. The next prime is 218029499. The reversal of 218029452 is 254920812.

It is not an unprimeable number, because it can be changed into a prime (218029451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53778 + ... + 57689.

It is an arithmetic number, because the mean of its divisors is an integer number (21327544).

Almost surely, 2^218029452 is an apocalyptic number.

It is an amenable number.

218029452 is an abundant number, since it is smaller than the sum of its proper divisors (293831604).

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

218029452 is a wasteful number, since it uses less digits than its factorization.

218029452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111637 (or 111635 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 218029452 is about 14765.8203971198. The cubic root of 218029452 is about 601.8732675832.

The spelling of 218029452 in words is "two hundred eighteen million, twenty-nine thousand, four hundred fifty-two".