19956150272448 has 168 divisors, whose sum is σ = 62763035182848. Its totient is φ = 6024498075648.

The previous prime is 19956150272437. The next prime is 19956150272489. The reversal of 19956150272448 is 84427205165991.

19956150272448 is a `hidden beast` number, since 1 + 9 + 9 + 5 + 61 + 502 + 7 + 24 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24745440 + ... + 25539167.

It is an arithmetic number, because the mean of its divisors is an integer number (373589495136).

Almost surely, 2^{19956150272448} is an apocalyptic number.

19956150272448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19956150272448 is an abundant number, since it is smaller than the sum of its proper divisors (42806884910400).

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

19956150272448 is a wasteful number, since it uses less digits than its factorization.

19956150272448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50284691 (or 50284678 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 19956150272448 in words is "nineteen trillion, nine hundred fifty-six billion, one hundred fifty million, two hundred seventy-two thousand, four hundred forty-eight".