42827859520 has 28 divisors (see below), whose sum is σ = 101983841244. Its totient is φ = 17131143680.

The previous prime is 42827859509. The next prime is 42827859523. The reversal of 42827859520 is 2595872824.

It can be written as a sum of positive squares in 2 ways, for example, as 12278412864 + 30549446656 = 110808^2 + 174784^2 .

It is not an unprimeable number, because it can be changed into a prime (42827859523) 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 3 ways as a sum of consecutive naturals, for example, 66918211 + ... + 66918850.

Almost surely, 2^42827859520 is an apocalyptic number.

42827859520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42827859520 is an abundant number, since it is smaller than the sum of its proper divisors (59155981724).

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

42827859520 is a wasteful number, since it uses less digits than its factorization.

42827859520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133837078 (or 133837068 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 42827859520 in words is "forty-two billion, eight hundred twenty-seven million, eight hundred fifty-nine thousand, five hundred twenty".