19941346288 has 20 divisors (see below), whose sum is σ = 40316200848. Its totient is φ = 9537165440.

The previous prime is 19941346247. The next prime is 19941346291. The reversal of 19941346288 is 88264314991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27093853 + ... + 27094588.

Almost surely, 2^19941346288 is an apocalyptic number.

It is an amenable number.

19941346288 is an abundant number, since it is smaller than the sum of its proper divisors (20374854560).

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

19941346288 is a wasteful number, since it uses less digits than its factorization.

19941346288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54188472 (or 54188466 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 55.

The spelling of 19941346288 in words is "nineteen billion, nine hundred forty-one million, three hundred forty-six thousand, two hundred eighty-eight".