19426516296 has 256 divisors, whose sum is σ = 55987200000. Its totient is φ = 5563852800.

The previous prime is 19426516283. The next prime is 19426516331. The reversal of 19426516296 is 69261562491.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108527935 + ... + 108528113.

It is an arithmetic number, because the mean of its divisors is an integer number (218700000).

Almost surely, 2^19426516296 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 19426516296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27993600000).

19426516296 is an abundant number, since it is smaller than the sum of its proper divisors (36560683704).

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

19426516296 is a wasteful number, since it uses less digits than its factorization.

19426516296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 464 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The spelling of 19426516296 in words is "nineteen billion, four hundred twenty-six million, five hundred sixteen thousand, two hundred ninety-six".