14450779800 has 144 divisors (see below), whose sum is σ = 49563390240. Its totient is φ = 3771528960.

The previous prime is 14450779793. The next prime is 14450779813. The reversal of 14450779800 is 897705441.

It is a happy number.

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 35 ways as a sum of consecutive naturals, for example, 807 + ... + 170006.

It is an arithmetic number, because the mean of its divisors is an integer number (344190210).

Almost surely, 2^14450779800 is an apocalyptic number.

14450779800 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 14450779800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24781695120).

14450779800 is an abundant number, since it is smaller than the sum of its proper divisors (35112610440).

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

14450779800 is a wasteful number, since it uses less digits than its factorization.

14450779800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170882 (or 170870 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 14450779800 in words is "fourteen billion, four hundred fifty million, seven hundred seventy-nine thousand, eight hundred".