42378335884 has 12 divisors (see below), whose sum is σ = 74896366608. Its totient is φ = 20979374000.

The previous prime is 42378335819. The next prime is 42378335911. The reversal of 42378335884 is 48853387324.

It is a happy number.

It is a super-2 number, since 2×42378335884² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52448032 + ... + 52448839.

It is an arithmetic number, because the mean of its divisors is an integer number (6241363884).

Almost surely, 2^42378335884 is an apocalyptic number.

It is an amenable number.

42378335884 is a deficient number, since it is larger than the sum of its proper divisors (32518030724).

42378335884 is a wasteful number, since it uses less digits than its factorization.

42378335884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104896976 (or 104896974 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 55.

The spelling of 42378335884 in words is "forty-two billion, three hundred seventy-eight million, three hundred thirty-five thousand, eight hundred eighty-four".