42842663891328 has 256 divisors, whose sum is σ = 141624055872000. Its totient is φ = 11196630466560.

The previous prime is 42842663891323. The next prime is 42842663891353. The reversal of 42842663891328 is 82319836624824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42842663891323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12982153 + ... + 15944328.

It is an arithmetic number, because the mean of its divisors is an integer number (553218968250).

Almost surely, 2^{42842663891328} is an apocalyptic number.

42842663891328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42842663891328 is an abundant number, since it is smaller than the sum of its proper divisors (98781391980672).

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

42842663891328 is a wasteful number, since it uses less digits than its factorization.

42842663891328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28926553 (or 28926541 counting only the distinct ones).

The product of its digits is 191102976, while the sum is 66.

The spelling of 42842663891328 in words is "forty-two trillion, eight hundred forty-two billion, six hundred sixty-three million, eight hundred ninety-one thousand, three hundred twenty-eight".