19796040747504 has 400 divisors, whose sum is σ = 66290792832000. Its totient is φ = 5586442380288.

The previous prime is 19796040747473. The next prime is 19796040747559. The reversal of 19796040747504 is 40574704069791.

19796040747504 is a `hidden beast` number, since 1 + 97 + 96 + 0 + 407 + 4 + 7 + 50 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 247289917 + ... + 247369955.

It is an arithmetic number, because the mean of its divisors is an integer number (165726982080).

Almost surely, 2^{19796040747504} is an apocalyptic number.

19796040747504 is a gapful number since it is divisible by the number (14) 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 19796040747504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33145396416000).

19796040747504 is an abundant number, since it is smaller than the sum of its proper divisors (46494752084496).

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

19796040747504 is a wasteful number, since it uses less digits than its factorization.

19796040747504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80402 (or 80387 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 19796040747504 in words is "nineteen trillion, seven hundred ninety-six billion, forty million, seven hundred forty-seven thousand, five hundred four".