14388899840 has 208 divisors, whose sum is σ = 40834428480. Its totient is φ = 4761845760.

The previous prime is 14388899803. The next prime is 14388899851. The reversal of 14388899840 is 4899888341.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4155710 + ... + 4159170.

Almost surely, 2^14388899840 is an apocalyptic number.

14388899840 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 14388899840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20417214240).

14388899840 is an abundant number, since it is smaller than the sum of its proper divisors (26445528640).

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

14388899840 is an equidigital number, since it uses as much as digits as its factorization.

14388899840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526 (or 3504 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 62.

The spelling of 14388899840 in words is "fourteen billion, three hundred eighty-eight million, eight hundred ninety-nine thousand, eight hundred forty".