242851770 has 112 divisors (see below), whose sum is σ = 749185920. Its totient is φ = 55497312.

The previous prime is 242851753. The next prime is 242851793. The reversal of 242851770 is 77158242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 48651 + ... + 53409.

It is an arithmetic number, because the mean of its divisors is an integer number (6689160).

Almost surely, 2^242851770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242851770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374592960).

242851770 is an abundant number, since it is smaller than the sum of its proper divisors (506334150).

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

242851770 is an equidigital number, since it uses as much as digits as its factorization.

242851770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791 (or 4776 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 242851770 is about 15583.7020633738. The cubic root of 242851770 is about 623.8982359936.

The spelling of 242851770 in words is "two hundred forty-two million, eight hundred fifty-one thousand, seven hundred seventy".