409248492 has 12 divisors (see below), whose sum is σ = 954913176. Its totient is φ = 136416160.

The previous prime is 409248491. The next prime is 409248517. The reversal of 409248492 is 294842904.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (409248491) 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 3 ways as a sum of consecutive naturals, for example, 17052009 + ... + 17052032.

It is an arithmetic number, because the mean of its divisors is an integer number (79576098).

Almost surely, 2^409248492 is an apocalyptic number.

It is an amenable number.

409248492 is an abundant number, since it is smaller than the sum of its proper divisors (545664684).

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

409248492 is a wasteful number, since it uses less digits than its factorization.

409248492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34104048 (or 34104046 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 409248492 is about 20229.8910525984. The cubic root of 409248492 is about 742.4417104419.

The spelling of 409248492 in words is "four hundred nine million, two hundred forty-eight thousand, four hundred ninety-two".