219404316144 has 80 divisors (see below), whose sum is σ = 625281791904. Its totient is φ = 65862451200.

The previous prime is 219404316137. The next prime is 219404316163. The reversal of 219404316144 is 441613404912.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4262337 + ... + 4313504.

Almost surely, 2^219404316144 is an apocalyptic number.

219404316144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

219404316144 is an abundant number, since it is smaller than the sum of its proper divisors (405877475760).

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

219404316144 is a wasteful number, since it uses less digits than its factorization.

219404316144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8575906 (or 8575900 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 219404316144 in words is "two hundred nineteen billion, four hundred four million, three hundred sixteen thousand, one hundred forty-four".