14286642520 has 16 divisors (see below), whose sum is σ = 32144945760. Its totient is φ = 5714656992.

The previous prime is 14286642493. The next prime is 14286642523. The reversal of 14286642520 is 2524668241.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 357166063 = 14286642520 / (1 + 4 + 2 + 8 + 6 + 6 + 4 + 2 + 5 + 2 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14286642523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178582992 + ... + 178583071.

It is an arithmetic number, because the mean of its divisors is an integer number (2009059110).

Almost surely, 2^14286642520 is an apocalyptic number.

14286642520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14286642520 is an abundant number, since it is smaller than the sum of its proper divisors (17858303240).

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

14286642520 is a wasteful number, since it uses less digits than its factorization.

14286642520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357166074 (or 357166070 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 14286642520 in words is "fourteen billion, two hundred eighty-six million, six hundred forty-two thousand, five hundred twenty".