242748707890 has 32 divisors (see below), whose sum is σ = 471800710080. Its totient is φ = 89393782464.

The previous prime is 242748707867. The next prime is 242748707899. The reversal of 242748707890 is 98707847242.

It is not an unprimeable number, because it can be changed into a prime (242748707899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2414184 + ... + 2512723.

It is an arithmetic number, because the mean of its divisors is an integer number (14743772190).

Almost surely, 2^242748707890 is an apocalyptic number.

242748707890 is a deficient number, since it is larger than the sum of its proper divisors (229052002190).

242748707890 is a wasteful number, since it uses less digits than its factorization.

242748707890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927306.

The product of its (nonzero) digits is 12644352, while the sum is 58.

The spelling of 242748707890 in words is "two hundred forty-two billion, seven hundred forty-eight million, seven hundred seven thousand, eight hundred ninety".