242687814250 has 32 divisors (see below), whose sum is σ = 519213247488. Its totient is φ = 83207250000.

The previous prime is 242687814241. The next prime is 242687814269. The reversal of 242687814250 is 52418786242.

It is a junction number, because it is equal to n+sod(n) for n = 242687814194 and 242687814203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69337626 + ... + 69341125.

It is an arithmetic number, because the mean of its divisors is an integer number (16225413984).

Almost surely, 2^242687814250 is an apocalyptic number.

242687814250 is an abundant number, since it is smaller than the sum of its proper divisors (276525433238).

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

242687814250 is a wasteful number, since it uses less digits than its factorization.

242687814250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138678775 (or 138678765 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 242687814250 in words is "two hundred forty-two billion, six hundred eighty-seven million, eight hundred fourteen thousand, two hundred fifty".