42097394808 has 48 divisors (see below), whose sum is σ = 130301461680. Its totient is φ = 12027826944.

The previous prime is 42097394791. The next prime is 42097394819. The reversal of 42097394808 is 80849379024.

42097394808 is a `hidden beast` number, since 42 + 0 + 97 + 39 + 480 + 8 = 666.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 41762785 + ... + 41763792.

It is an arithmetic number, because the mean of its divisors is an integer number (2714613785).

Almost surely, 2^42097394808 is an apocalyptic number.

It is an amenable number.

42097394808 is an abundant number, since it is smaller than the sum of its proper divisors (88204066872).

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

42097394808 is a wasteful number, since it uses less digits than its factorization.

42097394808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83526596 (or 83526589 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 42097394808 in words is "forty-two billion, ninety-seven million, three hundred ninety-four thousand, eight hundred eight".