42455386 has 8 divisors (see below), whose sum is σ = 67034880. Its totient is φ = 20110428.

The previous prime is 42455383. The next prime is 42455389. The reversal of 42455386 is 68355424.

42455386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42455383) and next prime (42455389).

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

It is not an unprimeable number, because it can be changed into a prime (42455383) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 558586 + ... + 558661.

It is an arithmetic number, because the mean of its divisors is an integer number (8379360).

Almost surely, 2^42455386 is an apocalyptic number.

42455386 is a deficient number, since it is larger than the sum of its proper divisors (24579494).

42455386 is a wasteful number, since it uses less digits than its factorization.

42455386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117268.

The product of its digits is 115200, while the sum is 37.

The square root of 42455386 is about 6515.7797691451. The cubic root of 42455386 is about 348.8544478889.

The spelling of 42455386 in words is "forty-two million, four hundred fifty-five thousand, three hundred eighty-six".