409090909090912 has 24 divisors (see below), whose sum is σ = 805398828053400. Its totient is φ = 204545174982144.

The previous prime is 409090909090909. The next prime is 409090909091003. The reversal of 409090909090912 is 219090909090904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16131639 + ... + 32839177.

It is an arithmetic number, because the mean of its divisors is an integer number (33558284502225).

Almost surely, 2^{409090909090912} is an apocalyptic number.

It is an amenable number.

409090909090912 is a deficient number, since it is larger than the sum of its proper divisors (396307918962488).

409090909090912 is a wasteful number, since it uses less digits than its factorization.

409090909090912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17472718 (or 17472710 counting only the distinct ones).

The product of its (nonzero) digits is 4251528, while the sum is 61.

The spelling of 409090909090912 in words is "four hundred nine trillion, ninety billion, nine hundred nine million, ninety thousand, nine hundred twelve".