16278900480 has 432 divisors, whose sum is σ = 58926067200. Its totient is φ = 4302802944.

The previous prime is 16278900479. The next prime is 16278900529. The reversal of 16278900480 is 8400987261.

16278900480 is a `hidden beast` number, since 16 + 2 + 78 + 90 + 0 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61896829 + ... + 61897091.

Almost surely, 2^16278900480 is an apocalyptic number.

16278900480 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 16278900480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29463033600).

16278900480 is an abundant number, since it is smaller than the sum of its proper divisors (42647166720).

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

16278900480 is an equidigital number, since it uses as much as digits as its factorization.

16278900480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 16278900480 in words is "sixteen billion, two hundred seventy-eight million, nine hundred thousand, four hundred eighty".