19270334808 has 160 divisors (see below), whose sum is σ = 55048775760. Its totient is φ = 6296382720.

The previous prime is 19270334807. The next prime is 19270334813. The reversal of 19270334808 is 80843307291.

It is a super-2 number, since 2×19270334808² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19270334807) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 14743291 + ... + 14744597.

Almost surely, 2^19270334808 is an apocalyptic number.

19270334808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19270334808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27524387880).

19270334808 is an abundant number, since it is smaller than the sum of its proper divisors (35778440952).

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

19270334808 is a wasteful number, since it uses less digits than its factorization.

19270334808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759 (or 1746 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 19270334808 in words is "nineteen billion, two hundred seventy million, three hundred thirty-four thousand, eight hundred eight".