42161004305 has 32 divisors (see below), whose sum is σ = 58841233920. Its totient is φ = 28401361920.

The previous prime is 42161004283. The next prime is 42161004337. The reversal of 42161004305 is 50340016124.

It is not a de Polignac number, because 42161004305 - 2⁸ = 42161004049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1779497 + ... + 1803033.

It is an arithmetic number, because the mean of its divisors is an integer number (1838788560).

Almost surely, 2^42161004305 is an apocalyptic number.

It is an amenable number.

42161004305 is a deficient number, since it is larger than the sum of its proper divisors (16680229615).

42161004305 is a wasteful number, since it uses less digits than its factorization.

42161004305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24449.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 42161004305 in words is "forty-two billion, one hundred sixty-one million, four thousand, three hundred five".