19117223480 has 32 divisors (see below), whose sum is σ = 43415760240. Its totient is φ = 7575421440.

The previous prime is 19117223459. The next prime is 19117223491. The reversal of 19117223480 is 8432271191.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229041 + ... + 2237600.

Almost surely, 2^19117223480 is an apocalyptic number.

19117223480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19117223480 is an abundant number, since it is smaller than the sum of its proper divisors (24298536760).

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

19117223480 is a wasteful number, since it uses less digits than its factorization.

19117223480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466759 (or 4466755 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 19117223480 in words is "nineteen billion, one hundred seventeen million, two hundred twenty-three thousand, four hundred eighty".