242760187850 has 72 divisors (see below), whose sum is σ = 479891489220. Its totient is φ = 91347435520.

The previous prime is 242760187847. The next prime is 242760187931. The reversal of 242760187850 is 58781067242.

It is a Cunningham number, because it is equal to 492707²+1.

It can be written as a sum of positive squares in 18 ways, for example, as 75340917289 + 167419270561 = 274483^2 + 409169^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 56598506 + ... + 56602794.

Almost surely, 2^242760187850 is an apocalyptic number.

242760187850 is a deficient number, since it is larger than the sum of its proper divisors (237131301370).

242760187850 is a wasteful number, since it uses less digits than its factorization.

242760187850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8252 (or 8230 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 242760187850 in words is "two hundred forty-two billion, seven hundred sixty million, one hundred eighty-seven thousand, eight hundred fifty".