242663436 has 18 divisors (see below), whose sum is σ = 613399332. Its totient is φ = 80887800.

The previous prime is 242663417. The next prime is 242663453. The reversal of 242663436 is 634366242.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6740651 = 242663436 / (2 + 4 + 2 + 6 + 6 + 3 + 4 + 3 + 6).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 242663436.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3370290 + ... + 3370361.

Almost surely, 2^242663436 is an apocalyptic number.

It is an amenable number.

242663436 is an abundant number, since it is smaller than the sum of its proper divisors (370735896).

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

242663436 is a wasteful number, since it uses less digits than its factorization.

242663436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740661 (or 6740656 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 242663436 is about 15577.6582322248. The cubic root of 242663436 is about 623.7369144902.

The spelling of 242663436 in words is "two hundred forty-two million, six hundred sixty-three thousand, four hundred thirty-six".