42351275808 has 36 divisors (see below), whose sum is σ = 120436441398. Its totient is φ = 14117091840.

The previous prime is 42351275777. The next prime is 42351275831. The reversal of 42351275808 is 80857215324.

42351275808 is a `hidden beast` number, since 42 + 3 + 5 + 1 + 27 + 580 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41132707344 + 1218568464 = 202812^2 + 34908^2 .

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, 73526233 + ... + 73526808.

Almost surely, 2^42351275808 is an apocalyptic number.

42351275808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42351275808 is an abundant number, since it is smaller than the sum of its proper divisors (78085165590).

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

42351275808 is a wasteful number, since it uses less digits than its factorization.

42351275808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147053057 (or 147053046 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 42351275808 in words is "forty-two billion, three hundred fifty-one million, two hundred seventy-five thousand, eight hundred eight".