409399983916 has 48 divisors (see below), whose sum is σ = 896973880320. Its totient is φ = 158839067520.

The previous prime is 409399983913. The next prime is 409399983929. The reversal of 409399983916 is 619389993904.

It is not an unprimeable number, because it can be changed into a prime (409399983911) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2707185 + ... + 2854408.

It is an arithmetic number, because the mean of its divisors is an integer number (18686955840).

Almost surely, 2^409399983916 is an apocalyptic number.

It is an amenable number.

409399983916 is an abundant number, since it is smaller than the sum of its proper divisors (487573896404).

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

409399983916 is a wasteful number, since it uses less digits than its factorization.

409399983916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561854 (or 5561852 counting only the distinct ones).

The product of its (nonzero) digits is 102036672, while the sum is 70.

The spelling of 409399983916 in words is "four hundred nine billion, three hundred ninety-nine million, nine hundred eighty-three thousand, nine hundred sixteen".