19696533480 has 160 divisors (see below), whose sum is σ = 71294869800. Its totient is φ = 4848367104.

The previous prime is 19696533473. The next prime is 19696533497. The reversal of 19696533480 is 8433569691.

19696533480 is a `hidden beast` number, since 1 + 9 + 69 + 6 + 533 + 48 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5078272644 + 14618260836 = 71262^2 + 120906^2 .

It is a super-2 number, since 2×19696533480² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 191695 + ... + 275934.

Almost surely, 2^19696533480 is an apocalyptic number.

19696533480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19696533480 is an abundant number, since it is smaller than the sum of its proper divisors (51598336320).

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

19696533480 is a wasteful number, since it uses less digits than its factorization.

19696533480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467665 (or 467652 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 19696533480 in words is "nineteen billion, six hundred ninety-six million, five hundred thirty-three thousand, four hundred eighty".