14919998400 has 504 divisors, whose sum is σ = 55872455184. Its totient is φ = 3771187200.

The previous prime is 14919998399. The next prime is 14919998413. The reversal of 14919998400 is 489991941.

14919998400 is a `hidden beast` number, since 1 + 49 + 199 + 9 + 8 + 400 = 666.

14919998400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 21844459 + ... + 21845141.

It is an arithmetic number, because the mean of its divisors is an integer number (110858046).

Almost surely, 2^14919998400 is an apocalyptic number.

14919998400 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 14919998400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27936227592).

14919998400 is an abundant number, since it is smaller than the sum of its proper divisors (40952456784).

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

14919998400 is a wasteful number, since it uses less digits than its factorization.

14919998400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 14919998400 in words is "fourteen billion, nine hundred nineteen million, nine hundred ninety-eight thousand, four hundred".