42404658 has 8 divisors (see below), whose sum is σ = 84809328. Its totient is φ = 14134884.

The previous prime is 42404653. The next prime is 42404689. The reversal of 42404658 is 85640424.

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

42404658 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (42404653) 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 3 ways as a sum of consecutive naturals, for example, 3533716 + ... + 3533727.

It is an arithmetic number, because the mean of its divisors is an integer number (10601166).

Almost surely, 2^42404658 is an apocalyptic number.

42404658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42404658 is a wasteful number, since it uses less digits than its factorization.

42404658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067448.

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 42404658 is about 6511.8859019488. The cubic root of 42404658 is about 348.7154491022.

The spelling of 42404658 in words is "forty-two million, four hundred four thousand, six hundred fifty-eight".