405842074 has 8 divisors (see below), whose sum is σ = 664105248. Its totient is φ = 184473660.

The previous prime is 405842069. The next prime is 405842077. The reversal of 405842074 is 470248504.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (405842077) 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, 9223662 + ... + 9223705.

It is an arithmetic number, because the mean of its divisors is an integer number (83013156).

Almost surely, 2^405842074 is an apocalyptic number.

405842074 is a deficient number, since it is larger than the sum of its proper divisors (258263174).

405842074 is a wasteful number, since it uses less digits than its factorization.

405842074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18447380.

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 405842074 is about 20145.5224305551. The cubic root of 405842074 is about 740.3760409203.

The spelling of 405842074 in words is "four hundred five million, eight hundred forty-two thousand, seventy-four".