42188770546 has 8 divisors (see below), whose sum is σ = 68151090924. Its totient is φ = 19471740240.

The previous prime is 42188770543. The next prime is 42188770577. The reversal of 42188770546 is 64507788124.

42188770546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29873319921 + 12315450625 = 172839^2 + 110975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42188770493 and 42188770502.

It is not an unprimeable number, because it can be changed into a prime (42188770543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811322485 + ... + 811322536.

Almost surely, 2^42188770546 is an apocalyptic number.

42188770546 is a deficient number, since it is larger than the sum of its proper divisors (25962320378).

42188770546 is a wasteful number, since it uses less digits than its factorization.

42188770546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622645036.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 42188770546 in words is "forty-two billion, one hundred eighty-eight million, seven hundred seventy thousand, five hundred forty-six".