14641564420 has 24 divisors (see below), whose sum is σ = 35139754944. Its totient is φ = 5019964896.

The previous prime is 14641564397. The next prime is 14641564429. The reversal of 14641564420 is 2446514641.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 14641564420.

It is not an unprimeable number, because it can be changed into a prime (14641564429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52291162 + ... + 52291441.

It is an arithmetic number, because the mean of its divisors is an integer number (1464156456).

Almost surely, 2^14641564420 is an apocalyptic number.

14641564420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14641564420 is an abundant number, since it is smaller than the sum of its proper divisors (20498190524).

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

14641564420 is a wasteful number, since it uses less digits than its factorization.

14641564420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104582619 (or 104582617 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 14641564420 in words is "fourteen billion, six hundred forty-one million, five hundred sixty-four thousand, four hundred twenty".