42605494730 has 16 divisors (see below), whose sum is σ = 76768403400. Its totient is φ = 17024750592.

The previous prime is 42605494717. The next prime is 42605494751. The reversal of 42605494730 is 3749450624.

It can be written as a sum of positive squares in 4 ways, for example, as 42588164161 + 17330569 = 206369^2 + 4163^2 .

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 7 ways as a sum of consecutive naturals, for example, 2170655 + ... + 2190194.

Almost surely, 2^42605494730 is an apocalyptic number.

42605494730 is a deficient number, since it is larger than the sum of its proper divisors (34162908670).

42605494730 is a wasteful number, since it uses less digits than its factorization.

42605494730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361833.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 42605494730 in words is "forty-two billion, six hundred five million, four hundred ninety-four thousand, seven hundred thirty".