2016280403200 has 324 divisors, whose sum is σ = 6058830703072. Its totient is φ = 650627481600.

The previous prime is 2016280403167. The next prime is 2016280403201. The reversal of 2016280403200 is 23040826102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016280403201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12869335 + ... + 13025065.

Almost surely, 2^{2016280403200} is an apocalyptic number.

2016280403200 is a gapful number since it is divisible by the number (20) 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 2016280403200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3029415351536).

2016280403200 is an abundant number, since it is smaller than the sum of its proper divisors (4042550299872).

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

2016280403200 is a wasteful number, since it uses less digits than its factorization.

2016280403200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155798 (or 155762 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 2016280403200 in words is "two trillion, sixteen billion, two hundred eighty million, four hundred three thousand, two hundred".