42255885 has 64 divisors (see below), whose sum is σ = 81100800. Its totient is φ = 18768960.

The previous prime is 42255841. The next prime is 42255901. The reversal of 42255885 is 58855224.

It is not a de Polignac number, because 42255885 - 2¹² = 42251789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 221140 + ... + 221330.

It is an arithmetic number, because the mean of its divisors is an integer number (1267200).

Almost surely, 2^42255885 is an apocalyptic number.

It is an amenable number.

42255885 is a deficient number, since it is larger than the sum of its proper divisors (38844915).

42255885 is a wasteful number, since it uses less digits than its factorization.

42255885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 249 counting only the distinct ones).

The product of its digits is 128000, while the sum is 39.

The square root of 42255885 is about 6500.4526765449. The cubic root of 42255885 is about 348.3071587871.

The spelling of 42255885 in words is "forty-two million, two hundred fifty-five thousand, eight hundred eighty-five".