19466426088 has 160 divisors (see below), whose sum is σ = 57930661800. Its totient is φ = 6095513088.

The previous prime is 19466426033. The next prime is 19466426123. The reversal of 19466426088 is 88062466491.

19466426088 is a `hidden beast` number, since 1 + 9 + 466 + 42 + 60 + 88 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19214949924 + 251476164 = 138618^2 + 15858^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

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 39 ways as a sum of consecutive naturals, for example, 681306 + ... + 709302.

Almost surely, 2^19466426088 is an apocalyptic number.

19466426088 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 19466426088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28965330900).

19466426088 is an abundant number, since it is smaller than the sum of its proper divisors (38464235712).

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

19466426088 is a wasteful number, since it uses less digits than its factorization.

19466426088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28081 (or 28068 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 19466426088 in words is "nineteen billion, four hundred sixty-six million, four hundred twenty-six thousand, eighty-eight".