16390480 has 40 divisors (see below), whose sum is σ = 38327904. Its totient is φ = 6518400.

The previous prime is 16390477. The next prime is 16390489. The reversal of 16390480 is 8409361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16390489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16395 + ... + 17365.

Almost surely, 2^16390480 is an apocalyptic number.

16390480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16390480 is an abundant number, since it is smaller than the sum of its proper divisors (21937424).

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

16390480 is a wasteful number, since it uses less digits than its factorization.

16390480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 16390480 is about 4048.5157774177. The cubic root of 16390480 is about 254.0176481424.

The spelling of 16390480 in words is "sixteen million, three hundred ninety thousand, four hundred eighty".