19959226504 has 32 divisors (see below), whose sum is σ = 43193246400. Its totient is φ = 8469259200.

The previous prime is 19959226439. The next prime is 19959226531. The reversal of 19959226504 is 40562295991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758774 + ... + 1770085.

It is an arithmetic number, because the mean of its divisors is an integer number (1349788950).

Almost surely, 2^19959226504 is an apocalyptic number.

19959226504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19959226504 is an abundant number, since it is smaller than the sum of its proper divisors (23234019896).

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

19959226504 is a wasteful number, since it uses less digits than its factorization.

19959226504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528973 (or 3528969 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 19959226504 in words is "nineteen billion, nine hundred fifty-nine million, two hundred twenty-six thousand, five hundred four".