409484752242 has 16 divisors (see below), whose sum is σ = 841103815872. Its totient is φ = 132805865520.

The previous prime is 409484752213. The next prime is 409484752283. The reversal of 409484752242 is 242257484904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922262734 + ... + 922263177.

It is an arithmetic number, because the mean of its divisors is an integer number (52568988492).

Almost surely, 2^409484752242 is an apocalyptic number.

409484752242 is an abundant number, since it is smaller than the sum of its proper divisors (431619063630).

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

409484752242 is a wasteful number, since it uses less digits than its factorization.

409484752242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844525953.

The product of its (nonzero) digits is 5160960, while the sum is 51.

The spelling of 409484752242 in words is "four hundred nine billion, four hundred eighty-four million, seven hundred fifty-two thousand, two hundred forty-two".