14573648920 has 32 divisors (see below), whose sum is σ = 32800690800. Its totient is φ = 5827685248.

The previous prime is 14573648899. The next prime is 14573648923. The reversal of 14573648920 is 2984637541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14573648923) 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, 81807 + ... + 189313.

It is a 1-persistent number, because it is pandigital, but 2⋅14573648920 = 29147297840 is not.

Almost surely, 2^14573648920 is an apocalyptic number.

14573648920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14573648920 is an abundant number, since it is smaller than the sum of its proper divisors (18227041880).

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

14573648920 is a wasteful number, since it uses less digits than its factorization.

14573648920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110907 (or 110903 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 14573648920 in words is "fourteen billion, five hundred seventy-three million, six hundred forty-eight thousand, nine hundred twenty".