14819949140 has 48 divisors (see below), whose sum is σ = 31879626240. Its totient is φ = 5783944320.

The previous prime is 14819949119. The next prime is 14819949143. The reversal of 14819949140 is 4194991841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14819949143) 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 15 ways as a sum of consecutive naturals, for example, 843566 + ... + 860954.

It is an arithmetic number, because the mean of its divisors is an integer number (664158880).

Almost surely, 2^14819949140 is an apocalyptic number.

14819949140 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 14819949140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15939813120).

14819949140 is an abundant number, since it is smaller than the sum of its proper divisors (17059677100).

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

14819949140 is a wasteful number, since it uses less digits than its factorization.

14819949140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18432 (or 18430 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 50.

The spelling of 14819949140 in words is "fourteen billion, eight hundred nineteen million, nine hundred forty-nine thousand, one hundred forty".