19444927049016 has 64 divisors (see below), whose sum is σ = 55584672249600. Its totient is φ = 5552919660288.

The previous prime is 19444927048999. The next prime is 19444927049027. The reversal of 19444927049016 is 61094072944491.

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, 28556061 + ... + 29229068.

It is an arithmetic number, because the mean of its divisors is an integer number (868510503900).

Almost surely, 2^{19444927049016} is an apocalyptic number.

It is an amenable number.

19444927049016 is an abundant number, since it is smaller than the sum of its proper divisors (36139745200584).

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

19444927049016 is a wasteful number, since it uses less digits than its factorization.

19444927049016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57787148 (or 57787144 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 19444927049016 in words is "nineteen trillion, four hundred forty-four billion, nine hundred twenty-seven million, forty-nine thousand, sixteen".