409135026 has 8 divisors (see below), whose sum is σ = 818270064. Its totient is φ = 136378340.

The previous prime is 409135009. The next prime is 409135049. The reversal of 409135026 is 620531904.

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

409135026 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 409134984 and 409135002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34094580 + ... + 34094591.

It is an arithmetic number, because the mean of its divisors is an integer number (102283758).

Almost surely, 2^409135026 is an apocalyptic number.

409135026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

409135026 is a wasteful number, since it uses less digits than its factorization.

409135026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68189176.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 409135026 is about 20227.0864436774. The cubic root of 409135026 is about 742.3730889894.

The spelling of 409135026 in words is "four hundred nine million, one hundred thirty-five thousand, twenty-six".