19788338337960 has 128 divisors (see below), whose sum is σ = 61573134441600. Its totient is φ = 5083437081600.

The previous prime is 19788338337931. The next prime is 19788338338003. The reversal of 19788338337960 is 6973383388791.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21615090 + ... + 22511969.

It is an arithmetic number, because the mean of its divisors is an integer number (481040112825).

Almost surely, 2^{19788338337960} is an apocalyptic number.

19788338337960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19788338337960 is an abundant number, since it is smaller than the sum of its proper divisors (41784796103640).

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

19788338337960 is a wasteful number, since it uses less digits than its factorization.

19788338337960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44127211 (or 44127207 counting only the distinct ones).

The product of its (nonzero) digits is 987614208, while the sum is 75.

The spelling of 19788338337960 in words is "nineteen trillion, seven hundred eighty-eight billion, three hundred thirty-eight million, three hundred thirty-seven thousand, nine hundred sixty".