42455124 has 24 divisors (see below), whose sum is σ = 110069120. Its totient is φ = 14151672.

The previous prime is 42455123. The next prime is 42455183. The reversal of 42455124 is 42155424.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42455123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196444 + ... + 196659.

Almost surely, 2^42455124 is an apocalyptic number.

It is an amenable number.

42455124 is an abundant number, since it is smaller than the sum of its proper divisors (67613996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42455124 is a wasteful number, since it uses less digits than its factorization.

42455124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393116 (or 393108 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 42455124 is about 6515.7596640760. The cubic root of 42455124 is about 348.8537302724.

The spelling of 42455124 in words is "forty-two million, four hundred fifty-five thousand, one hundred twenty-four".