409051128 has 16 divisors (see below), whose sum is σ = 1022627880. Its totient is φ = 136350368.

The previous prime is 409051121. The next prime is 409051241. The reversal of 409051128 is 821150904.

It is a happy number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 409051095 and 409051104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409051121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8521875 + ... + 8521922.

Almost surely, 2^409051128 is an apocalyptic number.

It is an amenable number.

409051128 is an abundant number, since it is smaller than the sum of its proper divisors (613576752).

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

409051128 is a wasteful number, since it uses less digits than its factorization.

409051128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17043806 (or 17043802 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 409051128 is about 20225.0124351012. The cubic root of 409051128 is about 742.3223413786.

The spelling of 409051128 in words is "four hundred nine million, fifty-one thousand, one hundred twenty-eight".