409381054 has 4 divisors (see below), whose sum is σ = 614071584. Its totient is φ = 204690526.

The previous prime is 409381039. The next prime is 409381067. The reversal of 409381054 is 450183904.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102345262 + ... + 102345265.

It is an arithmetic number, because the mean of its divisors is an integer number (153517896).

Almost surely, 2^409381054 is an apocalyptic number.

409381054 is a deficient number, since it is larger than the sum of its proper divisors (204690530).

409381054 is a wasteful number, since it uses less digits than its factorization.

409381054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204690529.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 409381054 is about 20233.1671766928. The cubic root of 409381054 is about 742.5218646231.

The spelling of 409381054 in words is "four hundred nine million, three hundred eighty-one thousand, fifty-four".