533400242 has 8 divisors (see below), whose sum is σ = 819615132. Its totient is φ = 260195200.

The previous prime is 533400223. The next prime is 533400253. The reversal of 533400242 is 242004335.

It can be written as a sum of positive squares in 2 ways, for example, as 470499481 + 62900761 = 21691^2 + 7931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3252359 + ... + 3252522.

Almost surely, 2^533400242 is an apocalyptic number.

533400242 is a deficient number, since it is larger than the sum of its proper divisors (286214890).

533400242 is a wasteful number, since it uses less digits than its factorization.

533400242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504924.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 533400242 is about 23095.4593372810. The cubic root of 533400242 is about 810.9941773272.

Adding to 533400242 its reverse (242004335), we get a palindrome (775404577).

The spelling of 533400242 in words is "five hundred thirty-three million, four hundred thousand, two hundred forty-two".