42000520608 has 36 divisors (see below), whose sum is σ = 119438981298. Its totient is φ = 14000173440.

The previous prime is 42000520589. The next prime is 42000520613. The reversal of 42000520608 is 80602500024.

42000520608 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 0 + 52 + 0 + 608 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27626428944 + 14374091664 = 166212^2 + 119892^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 72917283 + ... + 72917858.

Almost surely, 2^42000520608 is an apocalyptic number.

42000520608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42000520608 is an abundant number, since it is smaller than the sum of its proper divisors (77438460690).

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

42000520608 is a wasteful number, since it uses less digits than its factorization.

42000520608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145835157 (or 145835146 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 42000520608 in words is "forty-two billion, five hundred twenty thousand, six hundred eight".