1419321216 has 64 divisors (see below), whose sum is σ = 3797337600. Its totient is φ = 469685760.

The previous prime is 1419321209. The next prime is 1419321257. The reversal of 1419321216 is 6121239141.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 40081 + ... + 66671.

It is an arithmetic number, because the mean of its divisors is an integer number (59333400).

Almost surely, 2^1419321216 is an apocalyptic number.

1419321216 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 1419321216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1898668800).

1419321216 is an abundant number, since it is smaller than the sum of its proper divisors (2378016384).

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

1419321216 is a wasteful number, since it uses less digits than its factorization.

1419321216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26747 (or 26735 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 1419321216 is about 37673.8797577314. The cubic root of 1419321216 is about 1123.8117405263.

The spelling of 1419321216 in words is "one billion, four hundred nineteen million, three hundred twenty-one thousand, two hundred sixteen".