19605374048 has 96 divisors (see below), whose sum is σ = 44101693440. Its totient is φ = 8504455680.

The previous prime is 19605374021. The next prime is 19605374077. The reversal of 19605374048 is 84047350691.

It is a junction number, because it is equal to n+sod(n) for n = 19605373993 and 19605374011.

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, 994043 + ... + 1013573.

It is an arithmetic number, because the mean of its divisors is an integer number (459392640).

Almost surely, 2^19605374048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19605374048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22050846720).

19605374048 is an abundant number, since it is smaller than the sum of its proper divisors (24496319392).

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

19605374048 is a wasteful number, since it uses less digits than its factorization.

19605374048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19700 (or 19692 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 19605374048 in words is "nineteen billion, six hundred five million, three hundred seventy-four thousand, forty-eight".