409893055 has 16 divisors (see below), whose sum is σ = 577864224. Its totient is φ = 275172480.

The previous prime is 409893019. The next prime is 409893089. The reversal of 409893055 is 550398904.

It is a happy number.

It is not a de Polignac number, because 409893055 - 2⁹ = 409892543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285924 + ... + 287353.

It is an arithmetic number, because the mean of its divisors is an integer number (36116514).

Almost surely, 2^409893055 is an apocalyptic number.

409893055 is a deficient number, since it is larger than the sum of its proper divisors (167971169).

409893055 is a wasteful number, since it uses less digits than its factorization.

409893055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573306.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 409893055 is about 20245.8157405425. The cubic root of 409893055 is about 742.8312858445.

It can be divided in two parts, 40989 and 3055, that added together give a palindrome (44044).

The spelling of 409893055 in words is "four hundred nine million, eight hundred ninety-three thousand, fifty-five".