409158434 has 16 divisors (see below), whose sum is σ = 630163800. Its totient is φ = 199127040.

The previous prime is 409158433. The next prime is 409158439. The reversal of 409158434 is 434851904.

It can be written as a sum of positive squares in 4 ways, for example, as 127757809 + 281400625 = 11303^2 + 16775^2 .

It is a super-2 number, since 2×409158434² = 334821248226664712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (409158433) 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 7 ways as a sum of consecutive naturals, for example, 31262 + ... + 42374.

Almost surely, 2^409158434 is an apocalyptic number.

409158434 is a deficient number, since it is larger than the sum of its proper divisors (221005366).

409158434 is a wasteful number, since it uses less digits than its factorization.

409158434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11605.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 409158434 is about 20227.6650654493. The cubic root of 409158434 is about 742.3872466120.

The spelling of 409158434 in words is "four hundred nine million, one hundred fifty-eight thousand, four hundred thirty-four".