42492855 has 8 divisors (see below), whose sum is σ = 67988592. Its totient is φ = 22662848.

The previous prime is 42492839. The next prime is 42492869. The reversal of 42492855 is 55829424.

42492855 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 42492855 - 2⁴ = 42492839 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, 1416414 + ... + 1416443.

It is an arithmetic number, because the mean of its divisors is an integer number (8498574).

Almost surely, 2^42492855 is an apocalyptic number.

42492855 is a deficient number, since it is larger than the sum of its proper divisors (25495737).

42492855 is a wasteful number, since it uses less digits than its factorization.

42492855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832865.

The product of its digits is 115200, while the sum is 39.

The square root of 42492855 is about 6518.6543856842. The cubic root of 42492855 is about 348.9570448743.

The spelling of 42492855 in words is "forty-two million, four hundred ninety-two thousand, eight hundred fifty-five".