14739889920 has 864 divisors, whose sum is σ = 59809075200. Its totient is φ = 3088834560.

The previous prime is 14739889909. The next prime is 14739889979. The reversal of 14739889920 is 2998893741.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 475480305 + ... + 475480335.

Almost surely, 2^14739889920 is an apocalyptic number.

14739889920 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 14739889920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29904537600).

14739889920 is an abundant number, since it is smaller than the sum of its proper divisors (45069185280).

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

14739889920 is an equidigital number, since it uses as much as digits as its factorization.

14739889920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 14739889920 in words is "fourteen billion, seven hundred thirty-nine million, eight hundred eighty-nine thousand, nine hundred twenty".