14025143520 has 384 divisors, whose sum is σ = 50213520000. Its totient is φ = 3701127168.

The previous prime is 14025143519. The next prime is 14025143549. The reversal of 14025143520 is 2534152041.

14025143520 is a `hidden beast` number, since 140 + 2 + 514 + 3 + 5 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52137946 + ... + 52138214.

It is an arithmetic number, because the mean of its divisors is an integer number (130764375).

Almost surely, 2^14025143520 is an apocalyptic number.

14025143520 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 14025143520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25106760000).

14025143520 is an abundant number, since it is smaller than the sum of its proper divisors (36188376480).

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

14025143520 is an equidigital number, since it uses as much as digits as its factorization.

14025143520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 14025143520 its reverse (2534152041), we get a palindrome (16559295561).

The spelling of 14025143520 in words is "fourteen billion, twenty-five million, one hundred forty-three thousand, five hundred twenty".