242395987836 has 24 divisors (see below), whose sum is σ = 565601105104. Its totient is φ = 80797167360.

The previous prime is 242395987819. The next prime is 242395987961. The reversal of 242395987836 is 638789593242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632106 + ... + 940398.

Almost surely, 2^242395987836 is an apocalyptic number.

It is an amenable number.

242395987836 is an abundant number, since it is smaller than the sum of its proper divisors (323205117268).

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

242395987836 is a wasteful number, since it uses less digits than its factorization.

242395987836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373821 (or 373819 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 66.

The spelling of 242395987836 in words is "two hundred forty-two billion, three hundred ninety-five million, nine hundred eighty-seven thousand, eight hundred thirty-six".