42855046 has 16 divisors (see below), whose sum is σ = 69426000. Its totient is φ = 19722528.

The previous prime is 42855037. The next prime is 42855053. The reversal of 42855046 is 64055824.

42855046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7680 + ... + 12028.

It is an arithmetic number, because the mean of its divisors is an integer number (4339125).

Almost surely, 2^42855046 is an apocalyptic number.

42855046 is a deficient number, since it is larger than the sum of its proper divisors (26570954).

42855046 is a wasteful number, since it uses less digits than its factorization.

42855046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 42855046 is about 6546.3765550112. The cubic root of 42855046 is about 349.9456949760.

The spelling of 42855046 in words is "forty-two million, eight hundred fifty-five thousand, forty-six".