19145077248 has 160 divisors (see below), whose sum is σ = 55869549120. Its totient is φ = 5777653760.

The previous prime is 19145077229. The next prime is 19145077261. The reversal of 19145077248 is 84277054191.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 19145077197 and 19145077206.

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, 4340068 + ... + 4344476.

It is an arithmetic number, because the mean of its divisors is an integer number (349184682).

Almost surely, 2^19145077248 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 19145077248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27934774560).

19145077248 is an abundant number, since it is smaller than the sum of its proper divisors (36724471872).

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

19145077248 is a wasteful number, since it uses less digits than its factorization.

19145077248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698 (or 4682 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 19145077248 in words is "nineteen billion, one hundred forty-five million, seventy-seven thousand, two hundred forty-eight".