19116480 has 56 divisors (see below), whose sum is σ = 60697872. Its totient is φ = 5097472.

The previous prime is 19116479. The next prime is 19116497. The reversal of 19116480 is 8461191.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8997 + ... + 10916.

Almost surely, 2^19116480 is an apocalyptic number.

19116480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19116480 is an abundant number, since it is smaller than the sum of its proper divisors (41581392).

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

19116480 is a wasteful number, since it uses less digits than its factorization.

19116480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19933 (or 19923 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 19116480 is about 4372.2397006569. The cubic root of 19116480 is about 267.3843445642.

The spelling of 19116480 in words is "nineteen million, one hundred sixteen thousand, four hundred eighty".