409648254 has 8 divisors (see below), whose sum is σ = 819296520. Its totient is φ = 136549416.

The previous prime is 409648249. The next prime is 409648297. The reversal of 409648254 is 452846904.

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

409648254 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34137349 + ... + 34137360.

It is an arithmetic number, because the mean of its divisors is an integer number (102412065).

Almost surely, 2^409648254 is an apocalyptic number.

409648254 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.

409648254 is a wasteful number, since it uses less digits than its factorization.

409648254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68274714.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 409648254 is about 20239.7691192365. The cubic root of 409648254 is about 742.6833756740.

The spelling of 409648254 in words is "four hundred nine million, six hundred forty-eight thousand, two hundred fifty-four".