242021026064 has 20 divisors (see below), whose sum is σ = 468925706700. Its totient is φ = 121007940480.

The previous prime is 242021026057. The next prime is 242021026109. The reversal of 242021026064 is 460620120242.

It can be written as a sum of positive squares in 2 ways, for example, as 115219513600 + 126801512464 = 339440^2 + 356092^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783362 + ... + 1047710.

It is an arithmetic number, because the mean of its divisors is an integer number (23446285335).

Almost surely, 2^242021026064 is an apocalyptic number.

It is an amenable number.

242021026064 is a deficient number, since it is larger than the sum of its proper divisors (226904680636).

242021026064 is a wasteful number, since it uses less digits than its factorization.

242021026064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321578 (or 321572 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 242021026064 in words is "two hundred forty-two billion, twenty-one million, twenty-six thousand, sixty-four".