242635646436 has 96 divisors (see below), whose sum is σ = 619249010688. Its totient is φ = 73719824640.

The previous prime is 242635646387. The next prime is 242635646437. The reversal of 242635646436 is 634646536242.

It is not an unprimeable number, because it can be changed into a prime (242635646437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237265 + ... + 735911.

It is an arithmetic number, because the mean of its divisors is an integer number (6450510528).

Almost surely, 2^242635646436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242635646436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309624505344).

242635646436 is an abundant number, since it is smaller than the sum of its proper divisors (376613364252).

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

242635646436 is a wasteful number, since it uses less digits than its factorization.

242635646436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498761 (or 498759 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 51.

The spelling of 242635646436 in words is "two hundred forty-two billion, six hundred thirty-five million, six hundred forty-six thousand, four hundred thirty-six".