14197238520 has 384 divisors, whose sum is σ = 47779200000. Its totient is φ = 3364568064.

The previous prime is 14197238483. The next prime is 14197238563. The reversal of 14197238520 is 2583279141.

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, 95283406 + ... + 95283554.

It is an arithmetic number, because the mean of its divisors is an integer number (124425000).

Almost surely, 2^14197238520 is an apocalyptic number.

14197238520 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 14197238520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23889600000).

14197238520 is an abundant number, since it is smaller than the sum of its proper divisors (33581961480).

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

14197238520 is a wasteful number, since it uses less digits than its factorization.

14197238520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 14197238520 in words is "fourteen billion, one hundred ninety-seven million, two hundred thirty-eight thousand, five hundred twenty".