42134024778 has 16 divisors (see below), whose sum is σ = 84299443200. Its totient is φ = 14039442656.

The previous prime is 42134024771. The next prime is 42134024813. The reversal of 42134024778 is 87742043124.

It is not an unprimeable number, because it can be changed into a prime (42134024771) 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 7 ways as a sum of consecutive naturals, for example, 1290603 + ... + 1322846.

It is an arithmetic number, because the mean of its divisors is an integer number (5268715200).

Almost surely, 2^42134024778 is an apocalyptic number.

42134024778 is an abundant number, since it is smaller than the sum of its proper divisors (42165418422).

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

42134024778 is a wasteful number, since it uses less digits than its factorization.

42134024778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616141.

The product of its (nonzero) digits is 301056, while the sum is 42.

The spelling of 42134024778 in words is "forty-two billion, one hundred thirty-four million, twenty-four thousand, seven hundred seventy-eight".