16016440000 has 280 divisors, whose sum is σ = 43920003600. Its totient is φ = 5744640000.

The previous prime is 16016439983. The next prime is 16016440003. The reversal of 16016440000 is 4461061.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16016440003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39159796 + ... + 39160204.

Almost surely, 2^16016440000 is an apocalyptic number.

16016440000 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 16016440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21960001800).

16016440000 is an abundant number, since it is smaller than the sum of its proper divisors (27903563600).

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

16016440000 is an equidigital number, since it uses as much as digits as its factorization.

16016440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 16016440000 in words is "sixteen billion, sixteen million, four hundred forty thousand".