1409404416 has 160 divisors (see below), whose sum is σ = 4384005120. Its totient is φ = 393977856.

The previous prime is 1409404343. The next prime is 1409404427. The reversal of 1409404416 is 6144049041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503950 + ... + 506738.

It is an arithmetic number, because the mean of its divisors is an integer number (27400032).

Almost surely, 2^1409404416 is an apocalyptic number.

1409404416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1409404416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2192002560).

1409404416 is an abundant number, since it is smaller than the sum of its proper divisors (2974600704).

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

1409404416 is an equidigital number, since it uses as much as digits as its factorization.

1409404416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864 (or 2848 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1409404416 is about 37542.0353204245. The cubic root of 1409404416 is about 1121.1882626778.

The spelling of 1409404416 in words is "one billion, four hundred nine million, four hundred four thousand, four hundred sixteen".