42404246 has 8 divisors (see below), whose sum is σ = 64959840. Its totient is φ = 20750968.

The previous prime is 42404231. The next prime is 42404251. The reversal of 42404246 is 64240424.

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

It is a congruent number.

It is an unprimeable number.

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, 225461 + ... + 225648.

It is an arithmetic number, because the mean of its divisors is an integer number (8119980).

Almost surely, 2^42404246 is an apocalyptic number.

42404246 is a deficient number, since it is larger than the sum of its proper divisors (22555594).

42404246 is a wasteful number, since it uses less digits than its factorization.

42404246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451158.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 42404246 is about 6511.8542674111. The cubic root of 42404246 is about 348.7143197354.

The spelling of 42404246 in words is "forty-two million, four hundred four thousand, two hundred forty-six".