409260649 has 8 divisors (see below), whose sum is σ = 467916480. Its totient is φ = 350652336.

The previous prime is 409260613. The next prime is 409260653. The reversal of 409260649 is 946062904.

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

It is a cyclic number.

It is not a de Polignac number, because 409260649 - 2¹¹ = 409258601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409260659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9042 + ... + 30004.

It is an arithmetic number, because the mean of its divisors is an integer number (58489560).

Almost surely, 2^409260649 is an apocalyptic number.

It is an amenable number.

409260649 is a deficient number, since it is larger than the sum of its proper divisors (58655831).

409260649 is a wasteful number, since it uses less digits than its factorization.

409260649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23759.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 409260649 is about 20230.1915215848. The cubic root of 409260649 is about 742.4490619448.

The spelling of 409260649 in words is "four hundred nine million, two hundred sixty thousand, six hundred forty-nine".