42405485 has 8 divisors (see below), whose sum is σ = 50922240. Its totient is φ = 33900624.

The previous prime is 42405479. The next prime is 42405499. The reversal of 42405485 is 58450424.

42405485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42405485 - 2¹⁴ = 42389101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10136 + ... + 13694.

It is an arithmetic number, because the mean of its divisors is an integer number (6365280).

Almost surely, 2^42405485 is an apocalyptic number.

It is an amenable number.

42405485 is a deficient number, since it is larger than the sum of its proper divisors (8516755).

42405485 is a wasteful number, since it uses less digits than its factorization.

42405485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5947.

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 42405485 is about 6511.9494009091. The cubic root of 42405485 is about 348.7177160371.

The spelling of 42405485 in words is "forty-two million, four hundred five thousand, four hundred eighty-five".