405430046 has 16 divisors (see below), whose sum is σ = 695306976. Its totient is φ = 173684736.

The previous prime is 405430021. The next prime is 405430061. The reversal of 405430046 is 640034504.

It is a junction number, because it is equal to n+sod(n) for n = 405429997 and 405430024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44210 + ... + 52586.

It is an arithmetic number, because the mean of its divisors is an integer number (43456686).

Almost surely, 2^405430046 is an apocalyptic number.

405430046 is a deficient number, since it is larger than the sum of its proper divisors (289876930).

405430046 is a wasteful number, since it uses less digits than its factorization.

405430046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 405430046 is about 20135.2935414411. The cubic root of 405430046 is about 740.1254024147.

The spelling of 405430046 in words is "four hundred five million, four hundred thirty thousand, forty-six".