16439114400 has 144 divisors (see below), whose sum is σ = 53578070784. Its totient is φ = 4378132480.

The previous prime is 16439114399. The next prime is 16439114401. The reversal of 16439114400 is 441193461.

It is an interprime number because it is at equal distance from previous prime (16439114399) and next prime (16439114401).

It is not an unprimeable number, because it can be changed into a prime (16439114401) 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 23 ways as a sum of consecutive naturals, for example, 2067232 + ... + 2075168.

It is an arithmetic number, because the mean of its divisors is an integer number (372069936).

Almost surely, 2^16439114400 is an apocalyptic number.

16439114400 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 16439114400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26789035392).

16439114400 is an abundant number, since it is smaller than the sum of its proper divisors (37138956384).

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

16439114400 is a wasteful number, since it uses less digits than its factorization.

16439114400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8823 (or 8810 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 16439114400 in words is "sixteen billion, four hundred thirty-nine million, one hundred fourteen thousand, four hundred".