242378790522 has 64 divisors (see below), whose sum is σ = 553574227968. Its totient is φ = 70077672000.

The previous prime is 242378790499. The next prime is 242378790559. The reversal of 242378790522 is 225097873242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 688993 + ... + 979524.

It is an arithmetic number, because the mean of its divisors is an integer number (8649597312).

Almost surely, 2^242378790522 is an apocalyptic number.

242378790522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242378790522 is an abundant number, since it is smaller than the sum of its proper divisors (311195437446).

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

242378790522 is a wasteful number, since it uses less digits than its factorization.

242378790522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668635.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 242378790522 in words is "two hundred forty-two billion, three hundred seventy-eight million, seven hundred ninety thousand, five hundred twenty-two".