42910855 has 8 divisors (see below), whose sum is σ = 55454112. Its totient is φ = 31687968.

The previous prime is 42910853. The next prime is 42910871. The reversal of 42910855 is 55801924.

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

It is not a de Polignac number, because 42910855 - 2¹ = 42910853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42910855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42910853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330019 + ... + 330148.

It is an arithmetic number, because the mean of its divisors is an integer number (6931764).

Almost surely, 2^42910855 is an apocalyptic number.

42910855 is a deficient number, since it is larger than the sum of its proper divisors (12543257).

42910855 is a wasteful number, since it uses less digits than its factorization.

42910855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660185.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 42910855 is about 6550.6377552113. The cubic root of 42910855 is about 350.0975374417.

The spelling of 42910855 in words is "forty-two million, nine hundred ten thousand, eight hundred fifty-five".