19404914480 has 40 divisors (see below), whose sum is σ = 51561631392. Its totient is φ = 6653113344.

The previous prime is 19404914479. The next prime is 19404914489. The reversal of 19404914480 is 8441940491.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-6 number, since 6×19404914480⁶ (a number of 63 digits) contains 666666 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (19404914489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17325257 + ... + 17326376.

Almost surely, 2^19404914480 is an apocalyptic number.

19404914480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19404914480 is an abundant number, since it is smaller than the sum of its proper divisors (32156716912).

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

19404914480 is a wasteful number, since it uses less digits than its factorization.

19404914480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34651653 (or 34651647 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 19404914480 in words is "nineteen billion, four hundred four million, nine hundred fourteen thousand, four hundred eighty".