42658405 has 8 divisors (see below), whose sum is σ = 51559200. Its totient is φ = 33880656.

The previous prime is 42658367. The next prime is 42658417. The reversal of 42658405 is 50485624.

42658405 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 42658405 - 2¹¹ = 42656357 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, 29995 + ... + 31384.

It is an arithmetic number, because the mean of its divisors is an integer number (6444900).

Almost surely, 2^42658405 is an apocalyptic number.

It is an amenable number.

42658405 is a deficient number, since it is larger than the sum of its proper divisors (8900795).

42658405 is a wasteful number, since it uses less digits than its factorization.

42658405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61523.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 42658405 is about 6531.3402146879. The cubic root of 42658405 is about 349.4096305930.

The spelling of 42658405 in words is "forty-two million, six hundred fifty-eight thousand, four hundred five".