19442651103120 has 320 divisors, whose sum is σ = 72626288762880. Its totient is φ = 4203265665024.

The previous prime is 19442651103077. The next prime is 19442651103121. The reversal of 19442651103120 is 2130115624491.

It is not an unprimeable number, because it can be changed into a prime (19442651103121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19070137 + ... + 20063783.

It is an arithmetic number, because the mean of its divisors is an integer number (226957152384).

Almost surely, 2^{19442651103120} is an apocalyptic number.

19442651103120 is a gapful number since it is divisible by the number (10) 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 19442651103120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36313144381440).

19442651103120 is an abundant number, since it is smaller than the sum of its proper divisors (53183637659760).

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

19442651103120 is a wasteful number, since it uses less digits than its factorization.

19442651103120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994302 (or 994296 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 19442651103120 in words is "nineteen trillion, four hundred forty-two billion, six hundred fifty-one million, one hundred three thousand, one hundred twenty".