42705554842 has 16 divisors (see below), whose sum is σ = 66894172992. Its totient is φ = 20408905440.

The previous prime is 42705554821. The next prime is 42705554849. The reversal of 42705554842 is 24845550724.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 42705554792 and 42705554801.

It is not an unprimeable number, because it can be changed into a prime (42705554849) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 290628 + ... + 412159.

It is an arithmetic number, because the mean of its divisors is an integer number (4180885812).

Almost surely, 2^42705554842 is an apocalyptic number.

42705554842 is a deficient number, since it is larger than the sum of its proper divisors (24188618150).

42705554842 is a wasteful number, since it uses less digits than its factorization.

42705554842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704133.

The product of its (nonzero) digits is 1792000, while the sum is 46.

The spelling of 42705554842 in words is "forty-two billion, seven hundred five million, five hundred fifty-four thousand, eight hundred forty-two".