633240242 has 8 divisors (see below), whose sum is σ = 1005734556. Its totient is φ = 297995392.

The previous prime is 633240241. The next prime is 633240247. The reversal of 633240242 is 242042336.

It can be written as a sum of positive squares in 2 ways, for example, as 603635761 + 29604481 = 24569^2 + 5441^2 .

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

It is not an unprimeable number, because it can be changed into a prime (633240241) 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, 9312323 + ... + 9312390.

Almost surely, 2^633240242 is an apocalyptic number.

633240242 is a deficient number, since it is larger than the sum of its proper divisors (372494314).

633240242 is a wasteful number, since it uses less digits than its factorization.

633240242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18624732.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 633240242 is about 25164.2651790192. The cubic root of 633240242 is about 858.7290773040.

Adding to 633240242 its reverse (242042336), we get a palindrome (875282578).

The spelling of 633240242 in words is "six hundred thirty-three million, two hundred forty thousand, two hundred forty-two".