19470480 has 80 divisors (see below), whose sum is σ = 62329344. Its totient is φ = 5022720.

The previous prime is 19470463. The next prime is 19470499. The reversal of 19470480 is 8407491.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6132 + ... + 8748.

Almost surely, 2^19470480 is an apocalyptic number.

19470480 is a gapful number since it is divisible by the number (10) 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 19470480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31164672).

19470480 is an abundant number, since it is smaller than the sum of its proper divisors (42858864).

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

19470480 is a wasteful number, since it uses less digits than its factorization.

19470480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664 (or 2658 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 19470480 is about 4412.5366853999. The cubic root of 19470480 is about 269.0247394134.

The spelling of 19470480 in words is "nineteen million, four hundred seventy thousand, four hundred eighty".